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2 Rare 1950s IBM THINK 3.75 x 2.5 inch Blue Leather Pocket Version w/Pencil clip:
$59.00
Dad joined IBM in 1944. This smaller (3.75" x 2.5") classic pocket memo notepad includes a tiny pencil clipped inside. These were given to IBM's earlier employees, before the larger (4.5" x 3.25") notepads.
The address on the back inside cover for pad refills is 590 Madison Avenue, New York, NY. We know that this notepad is very old as IBM did not move to Armonk, NY until 1964.
