^Lot 656 International Business Machines Corporation (IBM)

NY. 1960's. Proof certificate of vignette, title and text without borders. Vignette is of Mercury reaching toward map of the world with stars in background. There are 3 matching frames for the base proof without border. 1). Border of < than 100 shs, light brown. 2). Border of 100 shs, green. 3). Border of Odd shs, purple. All were printed on oversize white paper. The certificates have plate numbers labeled on the different parts of the stock for the engraving department to use in the final design. International Business Machines Corporation (IBM) is the largest computer maker in the world. Unique IBM stock certificate production material. SCBNC. Choice group, with vertical archival fold in middle.