Large Art Deco Pin Sterling Silver Marcasite Onyx

This is an Art Deco Antique Pin Brooch. Mossy Green Marcasite with  2 Rectangular Black Stones probably Onyx. Lovely quality.

• Locking pin closure marked 925 ~
• Size  2 1/2" X 1 1/2"  ~
• Pre-owned in nice condition. Note no missing marcasite.
• Estate item as arrived. not cleaned.
  
• Note no maker mark but have not polished reverse