Dating antique jewelry
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.
Mary Ann is an expert on Selro jewelry, and also Florenza jewelry and the history of Dan Kasoff Inc.
She has presented on vintage jewelry topics in several venues, including CJCI Annual Convention, Bead Society of Greater Chicago, Chicago Botanic Garden, and 2007 VFCJ Vintage Jewelry Cruise.
Prior to the early 1950s, typical necklace clasp styles used by Coro and Trifari were spring ring, push (also known as box), or fold-over.
Two great examples are Florenza-marked jewelry presents a dating challenge, as there are no original records for the company’s production.The other types of clasps continued to be used, and are still used today.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.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.
Whether updating a collection, searching for information about a family heirloom, or assisting a colleague or customer, dating a piece of vintage costume jewelry can present a challenge.