(!!) (#1 12SN7GT PAIR) 12SN7GT/12SN7GTA RCA black plates NOS 1960's - 1970 same build
(!) (#1 12SN7GT PAIR) 12SN7GTA GE Canada tall bottle black plates "D" getter halo around 1960 copper grid posts
(!) (#1 12SN7GTA Pair) 12SN7GTA GE side getter NOS 1960's
(!) (#1 12SN7GTA Pair) 12SN7GTA GE side getter NOS 1960's (highest Gm)
(!) (#2 12SN7GTA Pair) 12SN7GTA GE coin-base side getter NOS 1970's 1-2% matched
(!) (#2 12SN7GTA Pair) 12SN7GTA GE side getter NOS 1960's
(BEST PAIR) JAN-CRC-12SX7GT RCA NOS 1955-1956 "D" getter halo original boxes
12SN7GT CBS Hytron branded Motorola 1955, small crack in pin #8 that was resoldered (single)
12SN7GT Hytron NOS 1951 (single)
12SN7GT Sylvania NOS 1949 (single)
12SN7GT Sylvania NOS 1960 (single, 9.0/9.2ma)
12SN7GT Tungsol NOS 1952 (single)
12SN7GTA GE Canada tall bottle black plates "D" getter halo around 1960 copper grid posts (9.8/10ma)
12SX7GT RCA NOS 1947 (9.2/10ma)
JAN-CRC-12SX7GT RCA NOS 1955 "D" getter halo original box (10/10.8ma)
