(!!) (1 Pair) 408A Western Electric NOS 1971-1974 (70/60 and 71/60)
(!!) (1 set of 10 tubes) 404A Western Electric used/good 1963-1967 (set of 10)
(!!) (Best 403B Single) 403B=5591=6AK5 Western Electric NOS "O" getter halo 1958 (8.2ma) (special quality)
(!!) (Best Pair 1981) 412A Western Electric NOS "O" getter halo 1981 (53-53/40 x 2 tubes)
(!!) (BEST PAIR) 272A Western Electric NOS "meshplate" 1961 and 1969 (6.1ma and 6.4ma)
(!!) (Best Pair) 412A Western Electric NOS "D" getter halo 1959 (51-52/40 x 2 tubes)
(!!) (Best Pair) 412A Western Electric NOS "D" getter halo 1968 (52-52/40 and 52-53/40)
(!!) (Best Single) 407A Western Electric NOS 1979 (47/26 and 50/26)
(!!) (Best Single) JAN-5755 Raytheon Black Plates NOS 1971 (2.3/2.4ma) close triode balance
(!!) (Best Single) JW-6AK5 Western Electric NOS "D" getter 1953 (6.2ma)
(!!) (BEST VALUE) 300M AVVT mesh-plate (Alesa Vaic Czech Republic) like new with data sheet and original box (not a sub for 300B) (300Vplate MAX)
(!!) (Good Value Pair) 272A Western Electric "meshplate" NOS and used/good 1952-1954 (5.2ma and 5.6ma)
(!!) (Good Value Pair) 272A Western Electric "meshplate" used/good 1951 and 1956 (5.8ma and 5.9ma)
(!!) (PAIR) 713A Western Electric by Tungsol NOS 1942-1943 (6.2ma and 6.3ma)
(!!) (Recommended Pair) 272A Western Electric "meshplate" NOS and low hours/like new 1940's - 1951 (6.3ma and 6.4ma)
(!!) (Recommended Pair) 448A Western Electric tipped top used/good 1965 same date codes (26ma and 27.5ma) (close Gm matching)
(!!) (Recommended Single) 311B Western Electric NOS 1967 glass slightly tilted, large getter, in white box (33ma)
(!!) (SINGLE) 307A=VT-225 Sylvania NOS 1940's (44ma)
(!!) (Single) 403B=6AK5 Western Electric NOS "O" getter halo 1969 (5.3ma)