
Antique drinking glasses can be a fascinating topic, and identifying them can be a fun and rewarding experience.
If you're new to collecting antique glasses, it's essential to start by understanding the different regional styles that emerged in the United States. One of the most recognizable styles is the Baltimore glass, which originated in Maryland in the mid-19th century.
Baltimore glass is characterized by its distinctive etching and cutting techniques, often featuring floral patterns and scenic motifs. This style was particularly popular in the 1840s and 1850s.
The New England style, on the other hand, is known for its delicate and intricate cutting patterns, often featuring leaves and vines. This style was prevalent in the 1820s and 1830s.
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Regional Styles
Czech glass is known for its vibrant colors, with soft amber browns, eggplant, hyper greens, and deep reds being popular in the 1930s. Much Czech glass from this era was unmarked.
Pressed Czech glass from later in the century can be identified by two vertical lines running from the top to bottom of the object, indicating that it was made with a mold. Stanislav Libensky and Jaroslava Brychtova generate some of the highest prices of all the modern glassmakers.
Italian Murano glass is often marked with the signature of the artist or the studio, such as Archimede Seguso or Barbini. Look for signatures like "A. Seguso Murano" or "Barbini Murano" to identify a piece.
Scandinavian glass is often embossed with the name of the designer or the studio, such as Iittala or Orrefors. Look for marks like "Alvar Aalto" or "Orrefors" to identify a piece.
British glass often features the name of the studio or the designer, such as Thomas Webb or Wedgwood. Look for marks like "Webb, Made in England" or "Wedgwood, England" to identify a piece.
German glass often features the initials of the artist or the studio, such as Ingridglas or Zwiesel. Look for marks like "IG, 3078" or "Zwiesel, 1872" to identify a piece.
Czech and Bohemian
Czech and Bohemian glass has a rich history, with its heyday starting in the Elizabethan era under the patronage of Rudolf II. This period saw the production of stunning glass pieces with soft amber browns, eggplant, hyper greens, and deep reds being popular colors.

Much Czech glass from this era was unmarked, making it essential to know what to look for. Pressed Czech glass from later in the century can be identified by two vertical lines running from the top to bottom of the object, indicating that it was made with a mold.
Stanislav Libensky and Jaroslava Brychtova are known for generating some of the highest prices of all the modern glassmakers. Their work is highly sought after, and their prices reflect their expertise and craftsmanship.
Petr Hora's work combines bold colors and strong forms, following in the Czech tradition of glassmaking and design. His pieces would seem undervalued compared to those of Libensky and Brychtova.
Borek Sipek is a lesser-known but critically beloved designer known for his extremely wacky and technically impressive designs. His work is still celebrated today, and his designs can be found on some of Lasvit's new products.
The headquarters of Lasvit in Nový Bor, Czech Republic, is covered in glass shingles and sits between two 18th-century buildings that housed glassmakers' workshops when they were first built.
Scandinavian

Scandinavian glassware is known for its unique signatures and markings, which can be a great way to identify a piece and learn about its history.
The Scandinavian countries, such as Sweden and Finland, have their own distinct styles and designers, like John-Orwar Lake, who signed his work with the phrase "Ekenas, Sweden, J. O. Lake".
Flygsfors, a Swedish company, used the signature "Flygsfors" with a year date, such as '58, to mark their products.
The Danish company Holmegaard used a variety of signatures, including the "Holmegaard" mark with a date and monogram for designer Per Lutken.
Per Lutken's work often featured a "PL" monogram, while another designer, Michael Bang, used the "MB" monogram on his Holmegaard pieces.
The Finnish company Iittala used an embossed mark with the company name, while designer Alvar Aalto's work featured an embossed mark with his name.
Timo Sarpaneva, another Iittala designer, used the initials "TS" on his items.

The Swedish company Kosta used a signature with a pattern number, while designer Ernest Gordon signed his work with the phrase "E Gordon" for Kosta Boda.
Bertil Vallien, a Swedish designer, used the signature "Boda, B Vallien" with a pattern number on his Boda pieces.
Orrefors, a Swedish company, used a variety of signatures, including the "Orrefors" mark with a pattern number and "PU" code for designer Sven Palmqvist.
Reijmyre, a Swedish company, used the signature "R-e-59" for a 1959 design by Paul Kedelv, and Paul Kedelv also used the initial "K" signature on his work.
The Swedish company Strombergshyttan used a simple signature, while other Stromberg designs featured a model code, such as "H89" or "H93".
Per-Olof Strom, a Swedish designer, signed his work with the phrase "P. Strom" on Alsterfors vases.
The Danish company Dansk Designs Ltd used an embossed mark with the company name and designer's initials, JHQ, for Jens Harold Quistgaard.
Hadeland, a Norwegian company, used a simple mark.
British

British glassmakers are known for their unique signatures and markings, which can be a great way to identify and date a piece. The most well-known British glassmakers include Caithness, Davidson, Sowerby, Thomas Webb, and Wedgwood.
Caithness glassmakers are easily identifiable by their acid etched marks, which often feature the words "Caithness, Scotland". Davidson glassmakers, on the other hand, are known for their embossed lion and crown factory trademark logo. This logo can be found on various Davidson glass pieces, including half pint glasses.
Sowerby glassmakers are easily recognizable by their embossed peacock factory trademark logo. Thomas Webb glassmakers, however, have a more complex marking system, with different marks used during different time periods. From 1936 to 1949, Thomas Webb glassmakers used the "Webb, Made in England" acid etched mark.
Wedgwood glassmakers are known for their distinctive acid etched marks, which can feature the words "Wedgwood, B / 1" or simply "Wedgwood". Other British glassmakers, such as Dartington and Liskeard Glass, can be identified by their acid etched marks as well, with Dartington featuring the words "Dartington" and Liskeard Glass featuring the initials "LG".
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Maltese

Maltese glass is a unique and beautiful style, with several notable signatures and markings that can help you identify the origin and age of a piece.
The "Gozo Glass" signature is a distinctive mark that can be found on some Maltese glass pieces.
Maltese glass also features the "Mdina" signature, which was used in various forms over the years. The earliest version of this signature is in capitals, while later versions are in a more cursive style.
Eric Dobson's signature appears on some Maltese glass pieces, specifically those with the "Mdina Glass, 1975" marking.
The "Phoenician Glass, Malta" signature is another notable mark found on Maltese glass pieces.
These signatures and markings can be an important part of identifying and appreciating the beauty of Maltese glass.
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German
German glass signatures are a treasure trove of information for collectors and enthusiasts. They often feature the manufacturer's initials or name, along with a pattern number.
Ingridglas is a notable example, with their initials "IG" appearing on pieces like the "IG, 3078" and "IG, 3080". These signatures indicate that the glass was made by Ingridglas.

Zwiesel, another prominent German glassmaker, left their mark on their pieces with an acid etched "Zwiesel, 1872" signature. This tells us the company's name and the year it was made.
German glass signatures can be a valuable tool for identifying the age and origin of a piece, making them a must-know for anyone interested in glass collecting.
Identification Methods
To identify an antique drinking glass, you need to observe its shape, surface, weight, and quality. Look for small irregularities, like a glass knob at the bottom of a vase or cup, which can indicate a handmade piece.
Inspect the glass for any signs of mass production, such as seams. You can also watch a glassblowing video on YouTube to get an idea of the fabrication process and how it might show up in the finished product.
If a glass is too regular and easily replicated, it might not be very valuable. On the other hand, if it's signed, that signature will usually be found on the underside of the object.
To train your eye, visit auction previews or museums with in-depth collections, such as the Corning Museum of Glass in Corning, New York, or the Tacoma Museum of Glass.
The following features can indicate an antique drinking glass: deep and circular pontil or hand-blown rod marks on the base and rims, transparent, white, or tinted sides with pressed, cut, or depressed glass carvings, air twist or spiral stems with 3 – 15 ply glass and threaded walls, and specific dimensions such as 10 – 15 cm tall walls with a 7- 8 cm top and 12 – 14 ounce holders.
Here are some common brands and their average valuations:
Chipped, cracked, or faded glasses can lose their value by 10 – 12%.
Crystal Identification
You can spot the difference between vintage crystal and regular glass by placing them side by side. The crystal glass will have a more radiant appearance and may even refract light.
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Some crystal brands, like Waterford, have a distinctive logo that can help with identification. Since 1950, Waterford crystal has had a tiny company logo stamped under the base of each glass.
Other brands, such as Fostoria, Gorham, and Heisey, also have their own logos, which can be used to identify vintage crystal. These logos can be acid-etched or laser-etched, depending on the age of the piece.
To identify vintage crystal, look for distinguishing logos and marks, such as the Waterford logo, which has evolved over the years. Older Waterford pieces have an acid-etched logo, while modern pieces have a laser-etched mark.
You can also look for specific features, such as inverted baluster stems and funnel or bell-shaped bowls, which are characteristic of old crystal glass.
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Features and History
Antique drinking glasses are like time capsules, holding secrets of the past. Many antique glasses have deep and circular pontil or hand-blown rod marks on the base and rims.
If you're lucky, you might find one with transparent, white, or tinted sides and pressed, cut, or depressed glass carvings. These unique features can give you a glimpse into the craftsmanship of the past.
In the 1600s, drinking glasses were often barrel-like and heavy, made from local materials like clay and stone. By the 1700s, makers started using seams and rims for easy pouring, but these glasses were still quite brittle.
Here are some key features to look out for in antique drinking glasses:
- Deep and circular pontil or hand-blown rod marks on the base and rims
- Transparent, White, or Tinted sides with pressed, cut, or depressed glass carvings
- Air twist or spiral stems with 3 – 4 ply glass and threaded walls
- 10 – 15 cm tall walls with a 7- 8 cm top and 12 – 14 ounce holders
Features of Antique
If you're searching for antique drinking glasses, look for deep and circular pontil or hand-blown rod marks on the base and rims. These marks are a dead giveaway that the glass is antique.
Transparent, White, or Tinted sides with pressed, cut, or depressed glass carvings are also common features of antique drinking glasses. You might see air twist or spiral stems with 3 – 4 ply glass and threaded walls, which are hallmarks of high-quality antique glass.

Antique drinking glasses can be identified by their height and capacity. Typically, they're around 10 – 15 cm tall with a 7- 8 cm top and 12 – 14 ounce holders. If you're still unsure, check the stem and bowl shape – old make glasses often have inverted baluster stems and funnel or bell-shaped bowls.
Here are some common features of antique drinking glasses:
- Deep and circular pontil or hand-blown rod marks on the base and rims
- Transparent, White, or Tinted sides with pressed, cut, or depressed glass carvings
- Air twist or spiral stems with 3 – 4 ply glass and threaded walls
- 10 – 15 cm tall with a 7- 8 cm top and 12 – 14 ounce holders
Keep in mind that the quality and value of antique drinking glasses vary greatly depending on their age, maker, and condition.
What Are Vintage Whiskies Called?
If you're looking to collect vintage whiskies, you'll want to know what to call them. Vintage whiskies are often referred to as old whiskies.
Old whisky glasses, also known as whisky tumblers, can be a great addition to your collection. These glasses have straight walls, minimal patterns, and a grooved base.
Some vintage whiskies can cost upwards of $1200 to $1500, making them a significant investment for collectors.
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Valuation and Rarity
Judith, an antique expert with nearly 20 years of experience, estimates that 90 to 95 percent of the glassware you might inherit or encounter is very common.
You can identify rare or valuable glassware by looking for art glass, pieces not intended to be used practically but rather meant to be art alone. Most valuable glassware is art glass.
Thomas Webb & Sons produced cameo glass in a traditional Neoclassical style, layered and either acid etched or carved to expose a design.
3 Types with Values
As an expert in antique valuation, I've seen my fair share of rare and valuable drinking glasses. Antique expert Judith has reviewed over 30 thousand vintage items, giving her a keen eye for spotting valuable pieces.
Judith has identified three types of antique drinking glasses that are highly sought after by collectors. One of them is the Barware Glass, which can fetch a price of up to $500 in good condition.

The Barware Glass is a popular choice among collectors due to its unique shape and design. It's a must-have for any serious collector of antique drinking glasses.
Another type of glass is the Victorian-era Waterford Crystal, which can sell for up to $2,000. Judith has worked with numerous antique shops and has seen firsthand the value that these glasses bring.
The Waterford Crystal is a highly prized possession among collectors, and its value only increases with age.
How to Determine Rarity and Value
Most glassware you'll encounter is common, with only 5 to 10 percent being rare or valuable, according to Robinson.
Judith, an antique expert, has reviewed over 30,000 vintage items and has worked with numerous antique shops, giving her a wealth of knowledge on the subject.
To determine rarity and value, look for art glass pieces, not intended for practical use but meant to be art alone. These are often the most valuable.
Thomas Webb & Sons produced cameo glass in a traditional Neoclassical style, layered and acid etched or carved to expose a design, making it highly sought after.
Tiffany Studios, founded by Louis Comfort Tiffany, produced Favrile glass, a type of handmade glass that is highly prized by collectors.
If you're looking for a rare or valuable glass, consider its color, brand, shape, and unique features, such as stems, rims, and seams.
In the U.S., Tiffany Studios is viewed as the foremost glass manufacturer in history, arguably with the highest value, due to its reproduction of ancient glass from Rome and Egypt.
Judith enjoys sharing her knowledge with people and has helped countless individuals identify and value their vintage glassware.
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