Thank you for viewing. Vacuum tube 1X2B, 3 tubes, collector's item The left tube is marked Toshiba, and the two on the right are marked SYLVANIA. Please check the product name, manufacturer, and condition in the photos. I read from the labels, but please forgive any discrepancies. The box is only for the two SYLVANIA tubes and shows signs of aging and damage. Operation has not been confirmed, and due to long-term storage, there is a possibility that they will not function properly. Please consider them as collector's items or junk. There is no guarantee of operation. Therefore, "collector's item" is included in the product name. If you agree to these conditions, please make a purchase.