The Calculator Ribbon with black and red ink comes in 1/2 inch twin metal spools, sealed for freshness and quality. The ribbon is specifically designed for printing calculators, ensuring sharp and accurate results. The black and red color scheme adds a touch of contrast and professionalism to the printed documents. Made by the trusted brand Black, this ribbon is a reliable choice for all your printing needs. Ribbons are vintage (1960s to 1970s) Sealed in original wrap RIBBONS MAY NOT WORK / COLLECTORS ITEM
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