I have 17 each 6SL7GT or WGT vacuum tubes for sale, these were bulk tubes from an old warehouse. The 6SL7 tubes are mostly JAN, tested and guaranteed, $3.50 each plus postage. I have 18 each new old stock JAN 5844 vacuum tubes for sale, in original military boxes, $2 each plus postage. Steve Hilsz jydsk at tds.net