2023 Material Testing 
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. Sold for ¥1,500,000 JPY via Tomikai Auction (Oct 2023). Sold for $340,000 USD via Bonhams (Dec 2023).
Invaluable
APRIL 24, 2024
Everyday Artistry American folk art is remarkably varied, an element that makes the field all the more captivating because these forms and techniques are often informed by regional traditions and materials. Natural Materials Many examples of American folk art also rely upon organic media. Sold for $431.25 USD via Jeffrey S.
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Invaluable
APRIL 24, 2024
Everyday Artistry American folk art is remarkably varied, an element that makes the field all the more captivating because these forms and techniques are often informed by regional traditions and materials. Natural Materials Many examples of American folk art also rely upon organic media. Sold for $431.25 USD via Jeffrey S.
ASA Newsroom - Personal Property
JUNE 4, 2024
Charles Carmona, GG, ASA, has been traveling the world for five decades in search of knowledge and experience to help in his gemstone testing and appraisal businesses in downtown Los Angeles, Shenzhen and Guangzhou, China and Bangkok, Thailand. As a consultant to the World Bank, he has established gemology schools in Madagascar and Tanzania.
WorthPoint
NOVEMBER 7, 2024
He also introduced new techniques and materials, including diamonds, exotic woods, fossilized ivory, gold, pearls, and brightly colored stones like lapis lazuli, malachite, and sugilite. Made by the Ives Manufacturing Company , circa 1890s, this piece is fresh to market after being discovered in a Virginia home in 2023.
WCG
JANUARY 10, 2025
We will share tips and tricks about how we fabricate mounts and supplementary supports constructed of soft and rigid archival materials. That meant looking for a material that could be used to fill the holes, bridge the large gaps, and still be semi translucent.
Invaluable
MARCH 31, 2025
The Early History of Bronze Sculpture Bronze originated in the Bronze Age (3300-1200 BCE), when humanity discovered that copper and tin merged in alloy form could create the material. At the same time, the elegant inlaid materials used to create eyes also partially survive. Sold for $28,485,000 USD via Sotheby’s (May 2023).
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