(!) (Best Single) 6ZY5G GE NOS 1951 (55/40 and 56/40)
(!) (Best Single) 6ZY5G Philco NOS 1940's (53/40 and 54/40)
(!) (Best Single) 6ZY5G Raytheon NOS 1940's (53/40 and 54/40)
(!) 6ZY5G Philco NOS 1940's (50/40 and 54/40)
6J10=6Z10 NOS
6J11 GE NOS (sold out)
6Z10=6J10 US Brands (8 in stock)
6ZY5G Philco NOS 1940's (56/40 and 62/40)
6ZY5G RCA NOS 1945 (57/40 and 62/40)
