Sample card (7) Czech vintage silver lustre geometric triangle art glass buttons

Sample card (7) Czech vintage silver lustre geometric triangle art glass buttons. This card demonstrates the sizes, glass colors and finishes available. In superb original condition. Premium quality vintage Czech glass buttons, demonstrating the skills of early C20th glass button makers. 
For collecting, making jewelry, fashion design, sewing, art and crafting.

Origin: Northern Bohemia circa 1930's
Size: 17 - 28mm; 11/16" - 1.15"
Material: Glass
Shank: metal box 4 way