Authentication Glass Rarity 
Invaluable
AUGUST 28, 2024
If the doll comes with a certificate of authenticity or other identifying provenance documents, this information can help. Many of the most exquisite, innovative designs are still credited to France, such as Ainé Blampoix’s patent for applying glass eyes. Rarity can increase the price of a collectible doll. 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
These artifacts’ scarcity, authenticity, and provenance all affect their historical and monetary value. 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.
Penrose Appraisals
DECEMBER 14, 2022
" One usually needs a magnifying glass to tell the difference between grades 8, 9, and 10, but the difference in value can be 200-300%. Ebay has added authentication services recently to try to address this (as they have with tennis shoes!) The same card was released in different sets at different times and this changes the value.
WorthPoint
NOVEMBER 18, 2024
The book features more than 500 recipes, including the Blue Blazer, Thomas’ signature drink, made by setting some whiskey ablaze and passing it back and forth between glasses to create an arc of flaming alcohol. Copies have sold in the last few years between $16 for a reprint of the first edition and $3,200 for an authentic first edition.
Expert insights. Personalized for you.
98 
Let's personalize your content