Lot (4) Victorian antique Czech striped black lampwork glass buttons

Lot (4) Victorian antique Czech striped black lampwork glass buttons. Beautifully hand lampworked glass and each is unique. Premium quality antique Czech glass buttons in original good condition. The shank plates on these antique buttons invariably do oxidise.
For collecting, jewelry making, fashion design, sewing, art and crafting.

Origin: Northern Bohemia circa 1900's
Size: 13mm; 8/16" approx 
Material: Glass. 
Shank: metal loop and plate
Condition: Authentic vintage condition. 
Quantity: 4