1924 sample card (20) extra large Czech antique Art Deco geometric jet black glass buttons

Collectible antique 1924 sample card of Czech Art Deco era jet black round and oval geometric glass buttons. This unique card has 20 stunning individually different hand press molded glass buttons. These will all have been hand pressed and hand finished in stunning detail. They are unique and will never be replicated. With classic Victorian geometric and faceted designs
This card is from a private collection and is of museum quality and a true collectors item for the button connoisseur. Not only is it suitable for a museum or private collection, but if framed behind glass this would make a superb window display for a boutique fashion, art, design or craft store or an original art glass home decor installation. 

Size Card: 10.5 x 18 inches
Size Buttons: 41 - 63mm; 1.6" - 2.5". 
Shank: metal loop
Condition: These are in excellent condition. 
These are over 100 years old and to preserve the integrity of the buttons, these have not been cleaned and will be dusty