mixed metal brooch

Handmade Modernist Mixed Metals Artist Pin Brooch Signed Numbered - Large artist made mixed metals brass and silver handmade pin brooch. Made in 2 parts with the artist named hand etched in the back. If one had to guess it could represent a fractured shell or sun but could represent a different symbol. Back is signed Denise Mur with 2 dots above the letter u along with a number 9. Likely German origin. Size is 2 1/8" wide across in diameter. Condition is excellent. No damage. No repair. Never altered. All original. A most unusual addition for your handmade artist jewelry collection!!