(!!!) (Recommended Pair) USN-CRC-1626 RCA NOS 1944 (34.5ma and 35.2ma)
(!) (Best Value Pair) US Navy-CNU-1626 National Union NOS 1940's (30ma and 32.5ma)
(!) (PAIR) 1626=VT-137 RCA NOS 1940's (31ma and 33.8ma) (Same Gm)