(!!) 12AX7A/7025 Sylvania branded RCA NOS 1970's (Gm=2100/2000)
(!!) 12SN7GT Sylvania Philco chrome top black plates NOS 1956 (8.2/8.4ma)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) 1629 RCA NOS 1961 bright eye
(!!) 180C1=0B2 Mullard England NOS (neon)
(!!) 227 National balloon used/good, rattle inside base 1930 era (5.3ma)
(!!) 45 RCA Victor NOS in RCA box 1948 (39ma)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!!) 6AU4GTA RCA used/good 1960's (89/60)
(!!) 6AU4GTA Sylvania NOS 1970's
(!!) 6BH6 GE black plate NOS "U" getter halo 1953 (6.5ma)
(!!) 6BH6 GE black plate NOS "U" getter halo 1956 (8.0ma)
(!!) 6DJ8 EI YUGO used/good 1977 branded RCA 1984 (13.4/15.6ma)
(!!) 6DJ8 Sylvania NOS 1960's (12.4/14.2ma)
(!!) 6KM6 GE NOS (138ma)
(!!) 6KM6 RCA black plate NOS (5 in stock)
(!!) 6KM6 Sylvania NOS (126ma)
(!!) 6S8GT GE NOS (4 in stock)
(!!) 6SH7 GE metal can NOS 1942-1945 (11.6ma)
(!!) 6SH7 GE metal can NOS 1942-1945 (12.5ma)