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(!!!!) (Best Balloon) MX-280 Marvin Custom Built used/strong 1920's (60/40 and 65/40) (rare)

(!!!!) (Best Balloon) MX-280 Marvin Custom Built used/strong 1920's (60/40 and 65/40) (rare)

$ 179.99
(!!!!) (Best Value Pair) 71A RCA and Ken Rad used/good 1930's (22ma and 22.6ma)

(!!!!) (Best Value Pair) 71A RCA and Ken Rad used/good 1930's (22ma and 22.6ma)

$ 49.99
(!!!!) (Single) ER-245 Eveready Raytheon Balloon box plate used/good 1932 (31ma) (nice condition)

(!!!!) (Single) ER-245 Eveready Raytheon Balloon box plate used/good 1932 (31ma) (nice condition)

$ 179.99
(!!!!) UX-280 RCA Radiotron Balloon used/60% 1930 era some white oxide flakes inside tube (38/40 and 38/40)

(!!!!) UX-280 RCA Radiotron Balloon used/60% 1930 era some white oxide flakes inside tube (38/40 and 38/40)

$ 32.99
(!!!) (Best Overall Single) 2A3 RCA black plates NOS 1940's (114ma) (high Gm)

(!!!) (Best Overall Single) 2A3 RCA black plates NOS 1940's (114ma) (high Gm)

$ 219.99
(!!!) (Best Pair) 12A Sylvania green leaf NOS 1940's original boxes (7.5ma and 7.9ma)

(!!!) (Best Pair) 12A Sylvania green leaf NOS 1940's original boxes (7.5ma and 7.9ma)

$ 79.99
(!!!) (Best Pair) 26 Super Silvertone ST-14 used/like new 1940's (5.7ma and 6.0ma)

(!!!) (Best Pair) 26 Super Silvertone ST-14 used/like new 1940's (5.7ma and 6.0ma)

$ 39.99
(!!!) (Best Pair) 26 Sylvania branded Zenith black plate NOS 1946 (5.4ma and 5.6ma) (rare)

(!!!) (Best Pair) 26 Sylvania branded Zenith black plate NOS 1946 (5.4ma and 5.6ma) (rare)

$ 69.99

(!!!) (Best Single) 26 RCA ST-14 tests like new 1952 (8.5ma)

$ 12.99
(!!!) (Best Value Pair) 12A Sylvania NOS and Philco like new 1930's - 1940's same build (6.7ma and 6.8ma)

(!!!) (Best Value Pair) 12A Sylvania NOS and Philco like new 1930's - 1940's same build (6.7ma and 6.8ma)

$ 64.99
(!!!) (Best Value Pair) 26 RCA ST-14 engraved base used/good 1930's (3.9/4.0ma)

(!!!) (Best Value Pair) 26 RCA ST-14 engraved base used/good 1930's (3.9/4.0ma)

$ 19.99
(!!!) (Best Value Pair) 26 RCA/Cunningham ST-14 used/good 1940's (3.8ma and 3.8ma)

(!!!) (Best Value Pair) 26 RCA/Cunningham ST-14 used/good 1940's (3.8ma and 3.8ma)

$ 14.99
(!!!) (Best Value Pair) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)

(!!!) (Best Value Pair) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)

$ 49.99
(!!!) (Good Value Pair) 26 Super Silvertone ST-14 engraved base used/good 1930's (4.3ma and 4.8ma)

(!!!) (Good Value Pair) 26 Super Silvertone ST-14 engraved base used/good 1930's (4.3ma and 4.8ma)

$ 24.99
(!!!) (Pair) CX-326 Cunningham balloon used/good 1930 era (4.2ma and 4.5ma) same Gm

(!!!) (Pair) CX-326 Cunningham balloon used/good 1930 era (4.2ma and 4.5ma) same Gm

$ 49.99
(!!!) (Pair) UX-226 RCA Radiotron balloon used/good 1930 era (3.9ma and 3.6ma)

(!!!) (Pair) UX-226 RCA Radiotron balloon used/good 1930 era (3.9ma and 3.6ma)

$ 35.99
(!!!) (Recommended Pair) 12A National Union NOS 1950 era different shape top mica (8.5ma and 8.1ma)

(!!!) (Recommended Pair) 12A National Union NOS 1950 era different shape top mica (8.5ma and 8.1ma)

$ 74.99
(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)

(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)

$ 44.99
(!!!) (Recommended Pair) 26 Sylvania branded Zenith black plate NOS 1946 (4.9ma and 5.0ma) (rare) 1% matched

(!!!) (Recommended Pair) 26 Sylvania branded Zenith black plate NOS 1946 (4.9ma and 5.0ma) (rare) 1% matched

$ 59.99
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)

(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)

$ 29.99
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