(!!) 71A Tungsol NOS 1940's in white box (23.6ma)
171A Silvertone Balloon used/good 1930's (19.2ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (22.5ma)