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6X4 Arcturus by GE NOS "D" getter 1960 (54/40 and 54/40)
6X4 GE like new 1950's "D" getter (54/40 and 54/40)
6X4 IEC Electron Japan used/tests like new 1960's (60/40 and 62/40)
6X4 International by Matsushita Japan NOS 1960's (55/40 and 56/40)
6X4 National Union "D" getter halo tests like new 1955 (56/40 and 58/40)
6X4 National Union used/good 1951 (55/40 and 56/40)
6X4 Philco used/good 1949 (46/40 and 47/40)
6X4 RCA "O" getter used/good 1960's (44/40 and 49/40)
6X4 Sylvania D getter used/tests like new 1958 (58/40 and 60/40)
6X4WA GE black plates rebranded National NOS (55/40 and 56/40)
6X4WA GE used/tests like new 1960 era no printing (54/40 and 54/40)
6X5GT GE used/good 1958 (48/40 and 50/40)
6X5GT GE used/good 1960 (47/40 and 48/40)
6X5GT Ken Rad 1940's used/good (51/40 and 53/40) (RCA construction)
6X5GT Philco by Sylvania used/good 1940's tilted top mica (54/40 and 60/40)
6X5GT Sylvania chrome top used/good 1956 (47/40 and 50/40)
6X5GT US Brands used/good (10 in stock)
6X5GT US Brands used/good (2 for $12)
6X8 and 6X8A US Brands NOS (40 in stock)
6X8 US Brands used/pullouts/untested/sold as-is no warranty or returns
