(!!!!!) (Best Single) EL34 Mullard UK XF1 NOS 1959 double "O-O" getter halos (83ma) (1st version after metal base) (very rare)
(!!!!) (Good Value XF2 Pair) EL34 Mullard UK XF2 double round "O-O" getter halo used/good 1965-1967 (72ma and 76.5ma)
(!!!!) (Single 1965) EL34 Philips Miniwatt by Mullard XF2 double round getter halo "O-O" NOS 1965 (76ma)
(!!!!) (SINGLE) EL34 Pope Mullard XF2 single halo "O" used/very good 1970 (82ma) (Gm like new)
(!) (Single) EL34 Mullard XF2 double halo "O-O" used/70% 1962 (62.5ma)
(!) (Single) EL34 Mullard XF2 double halo "O-O" used/strong heat stain on plate 1967 (87ma)
(Good Value Pair) EL34 Mullard UK XF2 single halo used/good 1969-1972 (83.6ma and 85.6ma)
