Vintage Unused 60s IBM Mainframe/Mark Sense Computer Punch Cards

Vintage Unused 60s IBM Mainframe/Mark Sense Computer Punch Cards Introduction

1960s vintage IBM mainframe & mark sense computer punch cards * non-perforated & unused * size: 7-7/8 x 3-3/4 inches (187 x 82 mm) * yellow, green & white colors * a great gift for geeks * 1 box of 1,000 computer punch cards available Price: $2 each card (minimum 10) or $299 for all 1,000 cards