(!!!) (Best Single) EZ80 Mullard France NOS "O" getter halo 1970 (64/40 and 64/40)
(!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (63-64/40 x 2 tubes) 1% matched
(!) (Best Single) EZ80 Amperex Globe Logo France NOS 1969 (64/40 and 66/40)
(!) EZ80 GE France like new 1968 (61/40 and 62/40)
(!) EZ80 Mullard UK used/good 1960 (64/40 and 65/40)
EZ80 Philips Miniwatt France used/tests like new 1961 faded printing (64/40 and 65/40)
