(!!) 71A RCA/Cunningham NOS 1930's (22.2ma)
(!!) 71A Tungsol NOS 1940's in white box (23.6ma)
71A RCA Radiotron Balloon used/good 1930's (21ma)
71A RCA Radiotron used/good 1940's (19.5ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (22.5ma)
CX-371A Cunningham Balloon used/good 1930's (18ma)
