Crysvanjade, thanks for uploading the images, it looks like it might be a cameo brooch; is the white area raised above the surface of the background material?
Concerning the age of the brooch, the type of finding on the reverse, can often help with dating. Can you resubmit and upload an image of the reverse, also if you could get some close-up shots of the front with lots of detail.
Best Wishes,
Yvonne
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http://phoenixjewels.net by: Diamond jewelry
Diamond jewelry is always popular among women and girls all around the globe. thanks for sharing nice article. i apreciate your curiosity and lovely brooch!