407A Western Electric like new 1968 in white box (54/26 and 64/26)

407A Western Electric like new “”D”” getter halo (6852=1968) in white box – “”A”” missing from glass

54/26

64/26

26=65%

Tested on TV-7D/U

(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)