(!!) (Best Value Pair) 71A RCA Cunningham Radiotron used/good 1930's - 1940's same build (21.3ma and 22.2ma)
(!!) (Single) 71A Tungsol NOS 1940's in white box (23.6ma)
(!!) 71A Tungsol NOS 1946-1947 (17.5ma)
71A Cunningham Balloon used/tests like new 1930's (30ma)
71A RCA Radiotron Balloon used/good 1930's (21ma)
UX-171A RCA Radiotron Balloon used/good 1930's (18ma)
