This is a very old brooch and very colorful. As you know some of the best glass and jewelry was made in Czechoslovakia! This brooch is marked Czecho on a metal tag on the center back. This brooch is 1 1/2 inch from north to south and side to side it 2 1/2 inches. The brooch has 6 beautiful triangle red sets and 5 blue rhinestones. The closure is a safety clasp. This would look so great on your jean jacket or that black cashmere coat. To you from Kansas Czechoslovakia jewelry!