(!!!!) (Best Pair #2) 6L6G MULLARD UK NOS 1959 (69.0ma and 66.5ma) (close Gm)
(!!!!) (Single) 6L6G MULLARD UK NOS 1955 (65.6ma)
(!!!!) (Single) 6L6G MULLARD UK NOS 1955 a few very scrapes on base (64.6ma)
(!!!) (Best Pair #1) 6L6G MULLARD UK NOS 1959 (73.5ma and 77ma)
(!!!) (Best Value Black Plate single) 6L6GC RCA Conn black plate used/good 1962 (67ma) (Gm like new)
(!!) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(DISPLAY TUBE) 350B Western Electric used 1967 (display tube - defective)