This vintage Unisonic 1540 D calculator comes with its original case and is in working order. It is a great addition to any collection of vintage electronics. The calculator is made by Unisonic, a trusted brand in the industry. The model number is 1540 D, and it is a vintage item that has been well-maintained. Perfect for collectors or those who appreciate vintage electronics, this calculator is a must-have. Its unique design and functionality make it a rare find. The calculator is categorized under Consumer Electronics, Vintage Electronics, and Vintage Calculators, making it a perfect search item for those interested in these fields.
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