Dating vintage brooch clasps Free naked web chat

24-May-2020 03:25

Once primary sources are exhausted, many well-regarded books are great secondary tools for dating.A selection of books can be found in “References and Links” section below.Here is one example: Frank De Lizza’s book provides great detail about the items the company was manufacturing, with each chapter devoted to a specific time period of just a few years.After summarizing this information in list form, one can note that large navettes and ovals, and givre stones were popular during the years 1957 through 1963.However, this information can also be used to assist with dating jewelry made by other companies.

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However, if you were dating a necklace that has an original hook-and-extender clasp, you could begin your research with the assumption that the piece was likely made no earlier than the 1950s.

A second primary-source dating tool is the use of books about fairly-large and prolific costume jewelry manufacturing companies, where original sources have been used by the author.