|IBM Pins - Xtra.13-striper, IBM logo having 13 bar segments||IBM Pin Museum | Home|
This category lists a few IBM pins which contain an IBM logo made up of 13 bar segments. It was used temporarily in the years between 1967 and 1972; then it changed to the 8-bar logo. Read a much more detailed story about the 13-striper on the website of a collecting friend; here you go: 13-striper at IBM Collectibles.
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