(!!!) (Recommended Pair) 1619 RCA NOS 1960-1964 (52ma and 53ma)
(!!!) (Recommended Pair) JAN-1619=VT-164 RCA NOS 1943 some surface rust on metal cans (55ma and 57ma)
(!!) (Good Value PAIR) 1619 RCA NOS 1942-1943 (44ma and 45.2ma)
(!!) (Recommended Pair) 1619 RCA NOS 1952 - 1960's (52ma and 53.6ma)
1619 GE NOS 1960 (56ma)
1619 Ken Rad NOS 1940's also stamped 1953 (56ma)
