The Porelon Universal Calculator Ribbon Model PR-483 in black and red colors is a vintage product manufactured in the USA in 1995. This ribbon is compatible with brands such as Royal, Victor, Cannon, and Sharp, making it a versatile option for various calculator models. With a unit quantity of 1, this ribbon is a reliable and high-quality choice for those in need of a specific calculator ribbon model from a trusted brand like Porelon.