(!!!) (Recommended Pair) E810F=7788 Philips Miniwatt SQ Holland gold pins used/very good 1965-1967 (38ma and 39ma)
(!!) 7788 Amperex PQ USA NOS gold pins 1973 (38.8ma)
7788=E810F Amperex PQ USA NOS 1969-1970 (33ma)
7788=E810F Amperex PQ USA NOS 1983 (62ma) (strong Ma and Gm)
JAN-7788 Amperex USA NOS 1986 (54ma)