(!!!) (SINGLE) 12AU7=ECC82 RT Radio Technique France long plates 1958-1959 (11.6/9.8ma) (close Gm)
(!) 12AT7=E81CC RTC Radio Technique France NOS 1971 (7.8/8.0ma)
EL39 Radio Technique (RT) France NOS 1963 (sold out)
