5687WA Sylvania JAN used/tests like new 1960's (39/43ma) (high Ma and Gm)
(!) 5687 Raytheon part bronze part black plates used/tests like new 1960 (33/38ma)
JRP-5687WA Raytheon black plates used/good 1965-1966 (28/31ma)
JRP-5687WA Raytheon bronze plates used/good 1960's (34.6/36.4ma)
(!!) (Good Value Single) JRP-5687WA Raytheon bronze plates used/good early 1960's (33/31.6ma)
(!!!) (Good Value Single) JAN-5687WA Raytheon bronze plates "O" getter like new 1960 era (33.5/33ma)
(!) (Best Value Single) 5687WA Sylvania JAN used/good faded printing 1970's (31/35.8ma)
(!!!!!) (Best Single) 5687 GE 5 Star NOS 1973 (37.5ma/33.5ma) (Audio Note, Modwright)
(!!!!) (Best RCA Single) 5687 RCA bronze plates NOS 1972 (35/36ma)
(!!!!!) (Best Value Pair) JAN-5687WA Sylvania black plates used/test like new 1967-1970 era (43.6/47ma and 46.8/44.2ma) (Highest Ma and Gm)
(!!!) (Good Value Pair) JHS-5687WA Sylvania used/very good 1960's faded printing (35.4/34.2ma and 37.0/36.5ma)
(slightly microphonic single) E182CC=7119 Amperex USA NOS 1981 (32/44ma)
(!!!) (slightly microphonic Single) E182CC=7119 Amperex PQ Holland NOS large "O" getter halo 1970 (35/37.2ma)