Dating trifari jewelry marks

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The pieces that were copyrighted by the company were marked with “COPR” (an abbreviation of copyright, used in place of the better-known ©) and also the year as shown in the examples here.

Two great examples are Florenza-marked jewelry presents a dating challenge, as there are no original records for the company’s production. The Avon line was added to the firm in 1920's and changed it's name in 1939 to Avon Products Inc.The quality varies from cheaply made to good quality. This quote directly from Avon: "The initials on some of our jewelry pieces are an internal company code for our jewelry in manufacturing.When available, copyright information can be used in the same manner.A great example is jewelry manufactured by Hollycraft during the 1950s.

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