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(!!!!) (Best Pair #3) 01A Cunningham NOS 1940 era boxes were factory sealed (3.4ma and 3.5ma) (same Gm)
(!!!!) (Best Pair #4) 01A Cunningham NOS 1940 era boxes were factory sealed (3.6ma and 3.4ma) (same Gm)
(!!!!) (Best Pair) 201A Silvertone Balloon NOS and like new 1930 era (4.2ma and 5.0ma) (Highest mA and Gm)
(!!!!) (Best Pair) CX-301-A Cunningham used/good 1928-1930 era (2.6ma and 2.5ma) (same Gm)
(!!!!) (Best Pair) CX-301A Cunningham and UX-201A RCA Balloon NOS 1930 era (3.1ma and 3.5ma)
(!!!!) (BEST SINGLE) 201-A Silvertone Balloon NOS 1930 era (3.8ma and Gm=750)
(!!!!) (BEST SINGLE) UX-201-A RCA Radiotron Balloon NOS 1930 era (3.9ma and Gm=700)
(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)
(!!!) (BEST PRICE) 80 US Brands used/good (5 in stock) ($9.99 each)
(!!!) (Pair) CX-301A Cunningham Balloon used/good 1930-1935 (2.2ma and 2.5ma)
(!!!) (PAIR) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700 x 2 tubes)
(!!!) 201A Silvertone Balloon NOS 1930 era (1.8ma and Gm=500)
(!!!) 80 RCA Victor NOS 1948 (56/40 and 58/40)
(!!!) CX-301-A Cunningham NOS 1930 era (2.6ma Gm=800)
(!!) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.6ma and Gm=700)
(!) 201A Aristocrat NOS 1930's (2.7ma and Gm=900)
(!) 80 Delco by Sylvania ST-shape used/tests like new 1947 rattle inside base (57/40 and 60/40)
(!) 80 Ken Rad ST-shape tests like new mid-1940's (52/40 and 54/40)
(!) 80 National Union used/strong 1940's (53/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (54/40 and 56/40)
