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Dating necklaces: clasps and fasteners -Part I
Monet Jewelry Hallmarks and Dates | Vintage jewelry, Costume jewelry, Vintage jewelry art
If you take a good look at your collection of necklaces and bracelets , you'll notice that there are many styles of jewelry clasps. Each type of closure has its advantages and disadvantages. Also known as "trigger" clasps, lobster clasps are some of the most common options for closing necklaces and chains. These closures are typically ovals, but they can be other shapes as well. To operate the clasp, you pull back a tiny metal trigger. The trigger opens the clasp, allowing you to attach the other end of the chain or necklace.
How to Choose the Best Jewelry Clasp
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. Less familiar primary sources such as patents and copyrights, books about specific companies, and period advertisements also provide a wealth of information to assist with dating. For this article, examples from the mid-twentieth century will be provided, though the techniques and tools described here could be used for dating jewelry from other periods. Beginning in the s up to the mid-to-late s, Trifari and Coro patented hundreds of costume jewelry designs.
There are a number of clues you can use to successfully date antique and vintage brooches and pins. This usually begins with looking at things like clasps and hinges, since certain types are known to have been used during specific periods in time. In addition to examining the components and findings, you'll want to look at the overall style, examine for signs of repair, and use a jeweler's loupe to locate any identifying marks present as you're dating jewelry. Use the basics below to help you start learning how to identify and date a number of different types of antique and vintage brooch and pin styles. This is a type of pin used to secure a sash at a lady's hip during the late s when the fad of wearing a sash over the shoulder and across bosom imitating Queen Victoria or around the waist became popular.