This 100% true bronze pendant is an original design casting by Star Spirit Studio, Guffey,  CO.  It is 1 1/2" x 1 1/2" (measurement includes bail).  It is a dimensional design featuring a large spirit horse and petroglyph cave wall background.  The bail opening is 3/8" and measures 3/8" across.  This piece is quite heavy...thickness of the bronze is approximately 3mm.