Lot (6) 18mm Czech vintage reverse faceted crystal clear glass buttons. Premium quality vintage Czech glass button, demonstrating the skills of early C20th glass button makers. These are vintage and will inevitably have some small nicks. For jewelry making, fashion design, sewing and crafting. Size: 18mm; 11/16" Material: glass. Shank: sew through Origin: Czech Year: cca. 1940's Quantity: 6