What stone is on my spratling pin and how rare is it?

Hello- I have a large bird like brooch or pin with the script WS and 925 on it. The bird is straight like an arrow and I believe it is around 1950's based on the marking. I currently have it listed in an auction on ebay and would like to know more: how many of these were made? and what type of stone or material is on the wings? Does anyone know the value of the piece? Thanks for any comments. The ebay link can be copied and pasted in the search bar on ebay. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=280473330474&ssPageName=STRK:MESELX:IT

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Silver_Lotus says

6 years ago
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