Dating vintage jewelry safety pin clasp

Early C Clasps were used in the mid to late 19th century until the very early 20th century. Some were just a curved wire which held the pin, and others were a more flattened wider C.

In both cases the pin part of the clasp slid under the C and held the brooch in place.

This is because some clasps were used on much older pieces, and the date of introduction of some of the newer clasps is definite.

The C Clasps are the earliest type of clasps used on brooches, although a modified version of them can be found on newer pieces.

The tube moved from left to right for insertion and then slid back to hold tightly.

Patented in 1850, they were routinely used in Europe until the mid 1950s. Small safety pins, either as part of the metal, or embedded in lightweight wood or vintage plastics.

There are a number of designs of this safety clasp.

It has a swivel locking piece over the C, but isn't as compact as the earlier version.

The construction of it is similar to the early safety clasp, but it has a more "separate" design in the swivel part of the clasp.By Danielle Olivia Tefft Did you know the type of clasp used can reveal important clues about when a vintage necklace was made? But before we dive into the fascinating study of necklace clasps, it’s helpful to define the difference between antique and vintage jewelry.

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