This vintage solar calculator is a perfect addition to your collection of retro electronics. With a sleek black and gold trim design, this credit card size wallet is perfect for travel and pocket storage. It is a vintage item, but still functions perfectly to help you with your basic math calculations. The model and country of manufacture are unknown, but that just adds to the mystery and allure of this vintage calculator. It is not a custom bundle or modified item, just a classic piece of vintage electronics that is sure to impress.