(!!) (BEST PAIR) 5Y4GA RCA NOS 1969 same date codes (52-56/40 and 52-57/40)
(!!) (BEST PAIR) 5Y4GA Sylvania NOS 1960's same date codes (54-59/40 and 53-58/40)
(!!) (BEST PAIR) 6AU4GT Tungsol NOS 1957
(!!) (BEST PAIR) 6AU4GTA RCA and Arcturus NOS 1960 era similar build (92-92/60)
(!!) (BEST PAIR) 6AU4GTA RCA coin-base NOS 1970's
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (48-48/40 and 48-48/40)
(!!) (Best RCA Pair) 5Y4G RCA NOS 1946 (51-53/40 and 52-54/40) (rare) closely matched
(!!) (BEST RCA PAIR) 6AU4GTA RCA NOS 1961
(!!) (Best Single) 5AS4A RCA NOS 1958 (58/40 and 58/40)
(!!) (Best Single) 5AS4A RCA NOS 1964 slightly tilted glass (56/40 and 56/40)
(!!) (BEST SYLVANIA PAIR) 6X4 Sylvania Philco NOS 1959 "D" getter (52-54/40 and 53-54/40)
(!!) (Best Value Pair) JAN-5Y3WGTA Philips by Sylvania NOS 1985 (50-52/40 and 50-54/40)
(!!) (Best Value Single) 5Y3GT GE NOS 1955 (53/40 and 64/40)
(!!) (BEST VALUE SINGLE) 6CA4 RCA branded Tungsol NOS 1960's slightly tilted glass and top mica (52/40 and 52/40)
(!!) (Best Value) 5Y3GT Raytheon Japan by Hitachi NOS 1960's (56/40 and 53/40)
(!!) (Best Value) 5Y3GT Raytheon Japan by Hitachi NOS 1960's (57/40 and 62/40)
(!!) (Best Value) 5Y3GT Russian made NOS branded ULTRON 1970's (3 in stock)
(!!) (Best Value) 5Y3GT Sylvania branded RCA NOS 1961 (60/40 and 70/40)
(!!) (BEST VALUE) GZ34 Mullard rebranded Sylvania used/like new 1969 (58/40 and 60/40)
(!!) (DISPLAY TUBE) 180 Arcturus Blue 1930 era (does not work - display tube only)
