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(!!!!) 807 RCA black plate ceramic base NOS 1940's with data sheet (72.5ma) (1st series made) (rare)
(!!!) (Pair 1950's) 807 RCA black plate NOS 1956-1959 in white boxes (60.5ma and 61.2ma) (same Gm)
(!!) (Good Value Pair) 807=VT-100A RCA used/tests like new 1940's (71ma and 68.5ma)
(!) 807 GE Italy gray plate NOS 1967 same build as UK made (80ma)
807 Sylvania tests like new no printing 1940's (81ma)
