Vintage Edwardian Pietra Dura floral octagonal brooch. pnvc754

Vintage Edwardian floral octagonal Pietra Dura brooch. Delicate shades of mauve, forest, olive, periwinkle & white set into what may be onyx. Set in silver plated metal setting with safety pin clasp. Condition is great. You can see some tiny fleabites to the inset pieces, only if viewed thru a loupe. 1-3/8 x 7/8 inches.