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(!!!!) 56 Arcturus Blue Balloon engraved base tests like new 1930's (5.0ma)
(!!!) (Best Pair #1) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's slightly tilted glass (6.1ma and 6.1ma) 1-2% matched
(!!!) (Best Pair #2) 56 Sylvania black plate NOS 1940's branded Western Electronics 1946 slightly tilted glass (5.9ma and 6.0ma)
(!!!) (Best Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1946 slightly tilted glass (5.5ma and 5.6ma) (same Gm)
(!!!) (Best Pair #4) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's slightly tilted glass (5.0ma and 5.2ma)
(!!!) (Best Single) JAN-CRC-2A3 RCA gray plate NOS 1946 (116ma)
(!!!) (Best Value Pair #1) JAN-211 GE like new 1942-1944 in tan boxes (115.5ma and 110ma) (Highest mA and Gm)
(!!) (Best Single #2) 5V4G RCA NOS 1953 some vertical scratches on base (59/40 and 61/40)
(!!) (Good Value PAIR) 1619 RCA NOS 1942-1943 (44ma and 45.2ma)
(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
(!!) (Pair #4) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass and plate (5.4ma and 5.4ma)
(!!) (Recommended) JAN-CKR-6E5 Ken Rad NOS 1940's in white boxes (3 in stock)
(!!) (Recommnded Pair) 826 Ken Rad NOS 1942-1943 (1 pair)
(!!) (~ Best Value Pair ~) 56 Sylvania test like new 1940's (5.3ma and 5.5ma)
(!) (#1 802 Pair) 802 RCA Deforest NOS original boxes 1943
102D Western Electric NOS 1954 large getter (0.7ma Gm=600)
221A Amperex NOS in original boxes 1943 (1 in stock)
56 GE used/good 1940's (4.2ma)
56 Made in Holland NOS 1940's (5.1ma)