7581A GE branded RCA used/good 1973 (56ma)
7581A GE NOS 1979 (76ma)
7581A GE NOS 1979 (87ma)
7581A GE used/good 1974 (59ma)
7729=12AX7 Raytheon Uniline Gold Pins (sold out)
8417 Westinghouse "tan base" NOS 1964 triple getter (108ma) (rare)
8417 Westinghouse "tan base" used/good 1960's (71ma)
8417 Westinghouse Bogen "tan base" used/good 1964 (127ma)
8417 Westinghouse Bogen "tan base" used/tests like new 1964 (102.6ma)
8417 Westinghouse engineering sample NOS 1960's (94.5ma)
8JL8 Raytheon NOS
CV1377=GZ34 Mullard Blackburn UK NOS 1976 (read review)
E88C=6DL4=6522 Siemens Germany NOS 1978 (12ma)
E90CC Mullard Holland Pinched Waist "D" getter halo 1957 (7.4/7.8ma)
E90CC Philips Miniwatt SQ Holland Pinched Waist "D" getter halo 1957 (7.4/7.8ma)
EC88=6DL4 United France NOS 1981-1982 (2 single tubes)
EC88=6DL4 United France NOS/70-75% (1 pair)
EC88=6DL4 Valvo branded Amperex Germany NOS 1972 (11.5ma)
ECC40 Philips NOS made by La Radiotechnique, Chartres/France 1967-1970
ECC88=6DJ8 Siemens Germany Tektronix checked small "o" getter halo 1971 used/good (12.5/16.2ma)
