(!!!!) (Good Value Pair) 6L6GC Sylvania tall bottle NOS and like new 1960's - 1970 (72ma and 74ma)1 matched pair) 6L6GC Sylvania NOS and like new 1960's 1970 1 tube) 74ma and Gm=5800 Sylvania Peavey used like new a few vertical scratches on base used tests like new in white box 1 tube) 72ma and Gm=6100 Sylvania NOS clean and crisp tone Good Ma used 55 65ma Good Gm used 5000 6000 Tested on Amplitrex