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(!!!!!) (Best GZ34) GZ34 Teonex by Mullard UK fat brown base 1959 (58/40 and 58/40) (f31 series) (similar to metal base)
(!!!!!) (Best Single 1966) GZ34 Mullard Blackburn UK made for Knight NOS 1966 (58/40 and 58/40)
(!!!!!) (Best Single) GZ34 Mullard Blackburn UK branded RCA NOS 1967 (57/40 and 58/40)
(!!!!) (Best Holland Single) GZ34 Philips Miniwatt Holland NOS double "D" getters 1962 (57/40 and 58/40) (Modwright, Cary, Line Magnetic, Woo)
(!!!!) (Best Mullard Single 1963) GZ34 Mullard NOS rebranded Philips Miniwatt NOS 1963 (60/40 and 62/40)
(!!!!) (Best Value Single 1962) GZ34 Mullard UK branded Webcor 1962 low hours/like new (59/40 and 60/40)
(!!!!) (Best Value Single) GZ34 Mullard NOS rebranded Tungsram NOS 1972 (54/40 and 60/40)
(!!!!) (Best Value Single) GZ34 Philips Miniwatt Holland double "D" getters 1962 low hours/tests like new (58/40 and 58/40) (Modwright, Cary, Line Magnetic, Woo)
(!!!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962 (59/40 and 59/40)
(!) (READ REVIEW) CV1377=GZ34 Mullard Blackburn UK NOS 1976
(!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962
