(!!!!) (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)
(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)
(!!!) (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)
(!!!) 6V6G Zenith Sylvania engraved base used/good 1930's (39ma)
(!!!) 6V6G Zenith Sylvania tests like new 1940's (42ma)
(!!!) CX-301-A Cunningham NOS 1930 era (2.6ma Gm=800)
(!!) (BEST SINGLES) JAN-CRC-6U5 RCA NOS Tuning Eye 1952 bright eyes (3 in stock)
(!!) 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)
01A Ken Rad NOS 1940's (3.4ma)
01A National Union NOS 1940's (3.1ma)
25L6G Arcturus 1940's used/good (62/45)
25L6G GE big bottle faded printing 1940's used/strong (70/45)
25L6G Tungsol 1940's used/good (77/60)
25L6GT National Union 1950 era like new (88/60)
