You have 
Vintage round painted flower brooch. This is a ceramic disk with flowers painted on it that look like tulips and a gold gilt band around the edge. The pin is glued on the back. The gold ring show some wear or unevenness could just be the way ii was made.
If you'd like to have this pretty little brooch we will ship it to you Free if you live on the mainland USA.
Great piece for either a collection or to wear