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6FC7=ECC89 Mullard branded Philips NOS 1975 (sold out)
7581 Tungsol brown base used/75% 1964 (52.5ma)
7581A GE branded RCA used/good 1973 (56ma)
7586 Philips Nuvistor NOS (1 in stock)
7586 RCA Nuvistor NOS 1972 (84/60)
7586 Sylvania Nuvistor NOS (1 in stock)
7586 Sylvania Nuvistor NOS (75/60)
82 Majestic Balloon NOS 1930 era (54/40 and 54/40) (rare)
82 RCA NOS 1948
82 Tungsol NOS 1948 (54/40 and 60/40)
AZ1 Philips by Mullard NOS 1960's (0 in stock)
AZ12 Ultron Germany NOS 1950's rattle inside base from dried glue particles (1 tube)
AZ41 Philips France NOS 1961 (1 in stock)
AZ41 Philips France NOS 1961 (1 pair)
AZ41 Philips Holland "D" getter NOS 1950's (2 in stock)
AZ41 Philips Miniwatt Holland "D" getter NOS 1959 (1 in stock)
C3M Siemens Germany stamped top NOS 1950's (80/30)
CK-6112 Raytheon NOS 1950's (1 tube only)
DF96=1AJ4 Philips by Valvo Germany NOS 1963 (sold out)
EBC41 Philips by La Radiotechnique Chartres France NOS 1968 (5 in stock)