(!!!) (Best Single) 403A Western Electric NOS "D" getter 1957 (8.7ma)
(!!!) (Best Single) 76 Sylvania Philco engraved base NOS 1930's (6.2ma)
(!!!) (BEST SINGLE) GL-800=VT-64 GE gray plate NOS 1948 (57ma and Gm=2500) (not a pair)
(!!!) (Best Sylvania Pair) 6B4G Sylvania NOS 1940's same build (92ma and 95ma)
(!!!) (Best Value Single) 45 Tungsol tests like new 1940's (40ma)
(!!!) (Best Value) VT-229=6SL7GT Sylvania round black plates used/like new 1940's (2.5/2.7ma) (Gm like new)
(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)
(!!!) (PAIR) 6SL7GT Sylvania round gray plates NOS 1952 (2.1/2.4ma and 2.3/2.5ma) (same Gm)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (57-61/40 and 57-62/40)
(!!!) (Recommended Pair) 10=VT-25 SYLVANIA NOS 1940's large getter flashing (27.0ma and 28.2ma) (Same Gm)
(!!!) (Recommended Pair) 56 National Union rebranded Western Electronics NOS 1940's (4.9ma and 5.1ma)
(!!!) (Recommended Pair) 6C8G National Union round black plates 1950 era used/very good (3.4/2.8ma and 3.3/3.4ma) (very close Gm)
(!!!) (Recommended Pair) 713A Western Electric by Tungsol NOS 1942-1943 (6.6ma and 6.9ma) (713A = 717A with black base)
(!!!) (Recommended Pair) 76 Sylvania NOS - 1 tube branded National Union 1947 era same build (5.3ma and 5.6ma)
(!!!) (Recommended Pair) JAN-CNU-1625=VT-136 National Union NOS 1940's (80/40 and 78/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (57/40 and 58/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1971 (56/40 and 58/40)
(!!!) (Recommended) 814=VT-154 GE ceramic base like new 1940's (105ma)
