Glass Material Rarity 
WorthPoint
MAY 16, 2024
Men and women carried glass and porcelain flasks, discreetly tucking them into a boot, hip pocket, or purse to keep their favorite spirits close. There were also glass flasks in the shape of cigars , clam shells, and horns of plenty. As flask sales soared, designs became more innovative, and materials evolved.
Artifactual History Appraisal
MAY 6, 2020
GLASS DECORATIVE ITEMS AND TABLEWARE/BARWARE: A. How to photograph so an expert can see: Cut glass versus pressed – hard to see in photos. Shoot a close up of bottom, there, look for these features: Pontil mark, which is where the glass blower would have attached his blow rod. Look for a fraction or number. Provenance Paint?
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International Society of Appraisers
NOVEMBER 8, 2024
Items such as folk art, unique and creative paintings, hand-blown Venetian glass, delft style ceramic tiles, handmade vases, and quilts are splashed throughout interiors. Collectors look for rarity, an object's provenance, and the desire to add intrigue to a room.
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. Thuillier A.T.
Invaluable
APRIL 3, 2024
The destruction of many historic artifacts in the 1960s and 1970s paired with the overall delicacy of the materials means that well-preserved, authentic Chinese antiques are increasingly difficult to find. Snuff bottles are most commonly made of glass, but can also comprise of jade, porcelain, amber, or metal.
Jerry's Antiques and Estates
JULY 4, 2023
Jerry’s Antiques specializes in modern antiques such as mid century modern furniture, vintage electronics, retro kitchenware, art glass, modernist art, industrial furniture and decor, and contemporary studio pottery. They offer a material investment that has the potential to increase in value over time.
Antique Appraisers Auctioneers
FEBRUARY 26, 2025
The post-war era called for affordable yet stylish furnishings, leading to the use of new materials like molded plywood, fiberglass, and stainless steel. Innovative Materials Experimentation with plastics, metals, and new fabrication techniques. Organic Shapes Curved, flowing lines and geometric influences.
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