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(!) (Recommended Single) 6BQ5 Tungsol NOS 1960 era (39ma)
(!) (Single) 12AZ7A Tungsol gray plates "O" getter halo NOS 1960 era (8.4ma/9.0ma)
(!) (SINGLE) 5U4GB RCA used/strong 1967 (56/40 and 61/40)
(!) (Single) 6550 Tungsol black plate used/good 1950's (115ma)
(!) (Single) 6550 Tungsol black plate used/good 1950's - guide pin broken off (123ma)
(!) 12AU7 Tungsol gray ribbed plates NOS square or "D" getter halo 1954 in white box (8.2/8.6ma)
(!) 12BH7A GE gray oval plates "O" getter halo used/good 1964 (7.2ma/8.5ma)
(!) 247=47 RCA Balloon used/60-65% 1930's (20ma)
(!) 247=47 Tungsol Balloon used/good 1930's (23.2ma)
(!) 5998 Tungsol branded IBM black plates used/good 1961 in white box (62ma/68ma)
(!) 6AN8A Tungsol rebranded Dumont NOS 1960's (14.5/14.8ma)
(!) 6F6G Sylvania coated glass used/good 1940's (36.8ma)
(!) 80 Hygrade Sylvania experimental tube used/strong 1940 era (54/40 and 52/40)
(!) 80 National Union NOS 1950 era (54/40 and 58/40)
(!) 80 Tungsol ST-shape tests like new 1940's (54/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (57/40 and 60/40)
(!) 80 Tungsol ST-shape used/good 1946 (52/40 and 54/40)
(!) 8BQ5 Tungsol NOS 1960 era (40ma)
(!) JAN-6384 Tungsol NOS 1972 (72ma)
(!) JAN-CEA-5R4WGB Bendix NOS 1962 original box (51/40 and 54/40)
