NOS/NIB 6DQ6B / 6GW6 GE power output tube. Date code JN. 1979 vintage. The tube has been tested for new performance and a is factory fresh. I will properly pack the tube for safe shipment and pay USPS postage with tracking number in the US. Same business day shipping. International shipments through US Postal Service International for actual postage cost and selling price on customs forms. 7 ounces packed weight for international.