source: Etsy

Pressed glass refers to glassware that is made by pressing molten glass into a mold rather than blowing it. This method of glassmaking became popular in the 19th century and continued into the early 20th century. There are many different patterns and types of pressed glass, but here are nine of the most valuable:

1. Vaseline Glass

Vaseline glass is a type of pressed glass that contains uranium oxide, which gives it a yellow-green glow under UV light. It was popular in the late 19th and early 20th centuries and was often used for decorative objects such as vases, bowls, and plates. Some of the most valuable vaseline glass patterns include the “Coin Spot” pattern and the “Spanish Lace” pattern.

2. Opaline Glass

Opaline glass is a type of opaque glass that was popular in the 19th century. It was often used for decorative objects such as vases, lamps, and goblets. Some of the most valuable opaline glass patterns include the “Bristol” pattern and the “Satin” pattern.

3. Akro Glass

Akro Glass is a type of pressed glass that was made by the Akro Agate Company in the early 20th century. It was often used for marbles and children’s toys, as well as kitchenware such as measuring cups and mixing bowls. Some of the most valuable Akro Glass patterns include the “Popeye” pattern and the “Corkscrew” pattern.

4. Jadeite

Jadeite is a type of opaque green glass that was popular in the 1930s and 1940s. It was often used for kitchenware such as mixing bowls, canisters, and salt and pepper shakers. Some of the most valuable jadeite patterns include the “Alice” pattern and the “Jadite Swirl” pattern.

5. John Derbyshire Figural Glass

John Derbyshire was a glassmaker who created a variety of figural glass pieces in the late 19th century. His designs include animals, birds, and people. Some of the most valuable John Derbyshire figural glass pieces include the “Milk Glass Cow Creamer” and the “Opal Glass Bear Toothpick Holder.”

6. Jumbo Glass

Jumbo glass is a type of pressed glass that was made in the early 20th century. It was often used for advertising purposes and featured the image of Jumbo the elephant, who was a popular circus attraction at the time. Some of the most valuable Jumbo glass pieces include the “Jumbo Peanut Butter Jar” and the “Jumbo Circus Wagon Tumbler.”

7. Custard Glass

Custard glass is a type of opaque glass that has a yellowish tint. It was popular in the late 19th and early 20th centuries and was often used for decorative objects such as vases and bowls. Some of the most valuable custard glass patterns include the “Daisy and Button” pattern and the “Rose” pattern.

8. Akro Agate

Akro Agate was a company that produced glassware from the 1920s to the 1950s. They were known for their marbled glass, which was created by mixing two or more colors of glass together. Akro Agate also produced other types of glassware, including vases, dishes, and lamps. Today, Akro Agate pieces are highly collectible and can command high prices.