Size: 2 1/2" x 2 1/4". Shape of a horse head. As shown in picture #2 (the yellow spot area), When tested with simichrome, first see the red color, then continue polishing, we see some yellow color.The item "Vintage large Bakelite horse head pin brooch, tested with simichrome (D36)" is in sale since Saturday, February 27, 2021. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Costume\Bakelite, Vintage Plastics\Pins, Brooches". The seller is "bin9898" and is located in Wayne, Pennsylvania. This item can be shipped to United States.