(!!!!!) (Best Value Single) GZ34=5AR4 Mullard branded GE NOS 1976, 2 small nicks/scratches in base (60/40 and 62/40) (Cary, Latino,. Modwright, Marshall)
(!!!!!) (Recommended Single) 5AR4/GZ34 Mullard fat base like new 1960 faded printing (f31-B0L=1960) (60/40 and 60/40)
(!!!!!) (Recommended Single) 5AR4/GZ34 Mullard fat base used/strong faded printing (f31-B8C=1958) (59/40 and 59/40)
(!!!!) (Best Single) GZ34 Mullard branded Tronal NOS 1976 in white box (60/40 and 62/40)
(!!!!) (Best Value Single) GZ34 Adzam Holland used/tests like new double "D" getter halos 1962 (57/40 and 60/40) (Modwright, Cary, Line Magnetic, Woo, Matchless)
(Best Value Pair) 5AR4=GZ34 China NOS 1980's - 1990's (59-60/40 and 59-62/40)
(Best Value) 5AR4=GZ34 Chelmer made in China like new 1990's (58/40 and 60/40)
GZ34 Mullard rebranded Philips Kuhl-Tube cryo NOS 1970 faded printing (58/40 and 58/40)
