(!!!!) (Recommended Pair) 83 GE NOS 1960's (62-65/40 and 62-63/40)
(!!!!) (Recommended Pair) 83 GE NOS 1960's (65-65/40 and 63-66/40)
(!!!) (Best Value) 83 GE low hours/like new 1947 (56/40 and 60/40)
(!!!) (Best Value) 83 RCA low hours/like new 1950 (57/40 and 60/40)
(!!!) (Recommended Pair) 83 Sylvania branded RCA NOS 1984 original boxes (61-62/40 and 60-62/40)
(!!!) 83 RCA NOS 1964 (64/40 and 65/40)
(!!!) 83 SYLVANIA branded RCA NOS 1977 tilted top mica (53/40 and 54/40)
(!!!) 83 Westinghouse low hours/tests like new 1948 small amount of graphite flaked off one plate (62/40 and 63/40)
(!!) (#2 83 single) JAN-CRC-83 RCA NOS 1952 some black graphite flakes inside tube flaked off plate (58/40 and 60/40)