NEC 6267 Vacuum Tube - Brand: NEC - Model: 6267 - Type: Vacuum Tube This vacuum tube was stored by my grandfather. It has been stored in a box, so I believe it is usable. Please assess the condition based on the photos. Since there is no way to confirm its operation, its functionality has not been verified. Please understand this before purchasing. This item is a used product, so please refrain from purchasing if you are sensitive to such matters. Cancellations, returns, and refunds are not accepted for any reason after purchase.