(!!!) (BEST VALUE) EM84=6FG6 Ei Yugoslavia NOS 1970's (20 in stock) (bright eyes)
(!!!) (BEST VALUE) EM84=6FG6 Sylvania India NOS 1970's (6 in stock) (bright eyes)
(!!) (Best Single) 6U5 Silvertone by Sylvania NOS 1946-1947 (bright eye)
(!!) (BEST SINGLES) JAN-CRC-6U5 RCA NOS Tuning Eye 1952 bright eyes (4 in stock)
(!!) (BEST VALUE) EM84=6FG6 Ei Yugoslavia branded RCA Mexico NOS 1970's (8 in stock) (bright eyes)
(!!) 6U5 RCA NOS Tuning Eye 1950's bright eye slightly tilted glass
(!!) 6U5 Tungsol NOS 1948 bright eye (1 in stock)
(!) (#2 EM87) EM87 Valvo Germany branded Telefunken Germany NOS 1961 (2 in stock)
(!) (Recommended) EM87 Valvo Germany branded Siemens Germany NOS 1961 (5 in stock)
(BEST PRICE) EM1 Philips Austria NOS 1956 (bright green eyes) (4 tubes for $379.99)
(BEST PRICE) EM87 Haltron East Germany NOS (4 tubes for $39.99)
(BEST SINGLE) EM84=6FG6 Amperex Bugle Boy NOS 1963
(Bright Eye) EM34=CV394=6CD7 Siemens Germany NOS (1 in stock)
6AB5=6N5 RCA NOS tuning eye 1940's (2 in stock)
6AF6G RCA tuning eye NOS 1946
6AF6G RCA tuning eye NOS 1950 bright eye
6AF6G RCA tuning eye NOS 1957
6AF6G Sylvania tuning eye NOS 1950 bright eye
6AF7G European made tuning eye tubes used/good (sold out)