Silver pocket change

United States nickels, dimes, quarters, half dollars and dollar coins dated 1964 and earlier are 90 percent silver. There is an ultra rare and valuable 1965 silver US dime that is in part identified by it's completely silver edge. The normal non-silver 1965 dimes have a visually noticeable brown/copper colored layer on the edge.

Celluloid: Identifying the collectable antique plastic

As with today, in the late 1800s and early 1900s plastics were used to make a plethora of products, from jewelry and toys to electrical fixtures and plumbing parts. With many of today's antique collectors, certain  early plastics are in vogue and sought after, in particular when in the form of eye-appealing items like art … Continue reading Celluloid: Identifying the collectable antique plastic

Miscroscopy in prints authentication

A microscope is often used by an authentication expert to date the kind of printing used to make both photographs and ink-and-printing-press prints. Modern reprints and counterfeits are often identified because the microscope shows the printing is too modern. An 1870 print couldn't have been made with a printing technology invented in 1985. For an … Continue reading Miscroscopy in prints authentication

A common misperception about limited edition prints

Some prints, photographs and other types of art and collectibles are limited edition numbered: say, 1/50 (1 of 50 made), 2/50, 3/50 .... 50/50. Some collectors feel that the first print or photograph or figurine 'off the presses,' is the most valuable, and, as one might expect, pick one that is numbered 1/50. The thing … Continue reading A common misperception about limited edition prints