Ceramics Glass Provenance 
Invaluable
SEPTEMBER 23, 2024
These pieces relied upon a technique known today as “efflorescence glazing,” which generally involves enveloping a quartz-rich ceramic body in a paste consisting of a “glaze” typically made from an alkali binding agent like lime and additions such as copper or cobalt.
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. PORCELAIN and CERAMICS: A.
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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. Today, porcelain dolls’ worth depend on a variety of factors including age, condition, provenance, manufacturer and type, and the artistry of the creation.
Invaluable
JUNE 10, 2024
The iconic line of ceramics – envisioned by a pottery owner and decorator in 1882 – counts Elton John as a fan, with the Queen Mother also said to have been a collecting devotee. With their almost comical grins and gazing, glass eyes, Weymss Ware’s feline curiosities can fetch a substantial sum at auction. Cats Weymss Ware tabby cat.
Invaluable
APRIL 3, 2024
In our experience, items with the most provenance are most sought after.” Snuff bottles are most commonly made of glass, but can also comprise of jade, porcelain, amber, or metal. They can be made out of clay, bronze, glass, or stone. Sold for $340,000 USD via Bonhams (Dec 2023). A Sancai-Glazed Jar, Tang Dynasty, 618-907 唐 三彩罐.
Penrose Appraisals
FEBRUARY 8, 2024
Matchbox cars, Star Wars figurines, flow blue ceramics, etc, etc. The best glassware, for example, is beautiful to look at, but it also can be used easily - either as a pitcher, a vase, a drinking glass, or other such object. Examine your collection closely, using a magnifying glass and strong light if necessary. Provenance.
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