$150
Glass Penetration. Ludwig Krug, ca. 1938. Business cards placed on opposite sides of the polished metal frame with a plate glass insert are pierced with a sharp object, yet the glass remains unharmed 5 ¾ x 4". With instructions (torn but complete), and felt carrying sleeve. Patent number stamped on one side. Very good.
Auctioneer:
Potter & Potter
Date:
2016-02-06