Antique Art Deco Czech glass button cabochon impression die steel mold pentagon flower

Vintage Czech glass button cabochon making impression die steel mold pentagon flower
This can still be used for press molding glass buttons, cabochons, beads or jewelry findings, art design, home decor or for general hobby crafting with metal, clay, resin, plastics, plaster, leather or soft metal. These are sought after by crafters who make resin molds, plaster molds, silicone molds, food molds, polymer clay molds and jewelry molds from them as well as button and cabochon molds. 
Size: 23 x 40mm; 14/16" x 1.6"
Finished impression size: 14mm; 9/16"
Material: Steel
Year: 1920's vintage
Origin: N. Bohemia / Czech
Condition: Authentic vintage original condition. 
Quantity: 1

This is a collectible unique steel impression die negative, originally for use in the production of press molded glass buttons, beads or cabochons. The negative was intricately hand-engraved and was used to create the actual mold in a softer metal that would then be set in long metal pliers and used to hand press fancy glass buttons, beads or cabochons.

It will reproduce a new negative today would cost at least $ 2000 for paper design, engraving, finishing and patenting.