(!!) (Good Value Single) EF86 IEC Mullard Blackburn UK chrome plate used/good 1964 good printing (2.3ma)
(!!) (Good Value) EF86=CV2901 Mullard Blackburn UK "D" getter used/good 1959 (2.4ma)
EF86 Zaerix Russian tests like new 1970's (3.0ma)
(!!!!) (Recommended Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (3.0ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (2nd Best Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.0ma and 3.1ma) (U67 Neumann, Lawson, Soundelux, Manley)
EF86 Amperex made in Hamburg Germany used/good 1972 (2.5ma)
(!!!!) (2nd Best Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (3.0ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (Recommended Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.9ma) (Neumann, Lawson, Soundelux, Manley)
