Sample card (24) Czech Deco 1920's Vintage silver black geometric glass buttons

Original sample card (24) Czech Bohemian Art Deco vintage fancy black geometric art glass buttons. This card demonstrates the 3 sizes, 2 designs and matte and gloss black and metallic finishes available of this button. 
Wonderful premium quality vintage Czech glass buttons for collecting, sewing, jewelry design, crafting or fashion design. 

Size: 13 - 22mm 8/16" - 14/16"
Material: Vintage glass. 
Shank: metal box 4 way
Origin: N. Bohemia / Czech
Year: Vintage cca. 1920's
Condition: Original authentic vintage condition. 
Quantity: 24