Glass Material Quality 
Invaluable
APRIL 10, 2024
The evolution of the champagne glass is much more complex and historically significant than a discussion of glass shape would at first imply. Shortly after, in 1674, the invention of lead glass by George Ravenscroft changed the art of glassmaking forever. These had simple, short stems and round, funnel-shaped bowls.
WorthPoint
APRIL 8, 2024
An American Brilliant-period cut glass punch bowl with a sawtooth rim dating to the mid-to-late 19th century. Thrifters and estate sale shoppers often run across molded glass, which can resemble the look of cut glass. The result was a finely crafted piece of handmade glass. Why is it important to know the difference?
WorthPoint
JULY 18, 2024
Depending on its materials, this type of adornment can be classified as fine jewelry or costume jewelry. Mosaics are made by taking little pieces of gemstones or glass and setting them into another material or a frame to create a pattern or picture. Flowers or foliage are the most common design motifs.
WorthPoint
JANUARY 14, 2025
When I wrote about identifying extraordinary cameo jewelry recently, I couldnt help but think about the many lower-quality copies these treasures inspired. During the Victorian era, desirable cameos were crafted from materials such as shell, lava, and gemstones, making these exquisite pieces accessible primarily to the wealthy.
WorthPoint
JULY 1, 2024
WorthPoint’s Industry Partners are offering collectors oodles of prime antique and vintage items in July auctions, including a piece of naval history, artifacts from a famous tiki paradise, Newcomb pottery, uranium glass, and a rare advertising sign for fishing tackle. Jaremos Art Glass Specialists , estimate: $100–$200.
Invaluable
AUGUST 28, 2024
With this Chinese ceramic material, doll makers could finally create intricately painted faces, lifelike features, and beautifully constructed clothing. Many of the most exquisite, innovative designs are still credited to France, such as Ainé Blampoix’s patent for applying glass eyes. Today, you can find them all over the world.
Astor Galleries
AUGUST 11, 2023
The company quickly became a leader in the costume jewelry industry, thanks to its innovative designs and use of high-quality materials. Kramer jewelry was also known for its use of unusual materials, such as textured glass, crystal beds, and colored pearls. or "Kramer New York."
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