NOS/NIB 6LF6 6MH6 GE beam power tube used in some linear amps and shortwave applications. Tested for new performance.  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 shipping.