(!!) 5Z3G Westinghouse NOS 1957 (59/40 and 61/40)
(!!) 6F6GT Tungsol NOS 1953 (37.5ma)
(!!) 6U5 Tungsol NOS 1948 bright eye (1 in stock)
(!) (1 PAIR) 0D3 RCA used/test like new 1960-1962 (argon)
(!) 244A Western Electric NOS 1952 smaller side getter (4.4ma)
(!) JAN-CLRV-6SN7WGTA GE Canada brown base NOS 1970 (7/10ma)
(slightly microphonic) 6SN7GTA GE NOS 1952 copper grid posts (7.4/10ma)
2050 GE burgundy base NOS 1952
5719 Sylvania Gold Brand NOS 1952 (similar to 6AD4) (4 in stock)
5Y4G RCA used/good 1948 (48/40 and 53/40)
5Y4GA RCA NOS 1963 (54/40 and 57/40)
5Y4GA RCA NOS 1971 (54/40 and 60/40)
5Y4GA Sylvania branded Zenith NOS 1960's (54/40 and 57/40)
5Y4GA Sylvania NOS 1960's (53/40 and 58/40)
5Z3G RCA used/good 1956 (46/40 and 48/40)
5Z3G TRIAD by RCA used/tests like new 1940's (52/40 and 52/40)
6A8G Sylvania NOS 1951-1952 (44/29)
6AQ5A=6669 European NOS branded Siemens NOS 1975 (48.5ma)
6AR6 Raytheon black plate used/good 1952 (67ma)
6B4G Sylvania rebranded Delco NOS separate plates 1952 (81ma)
