(!!) (Recommended pair) E83F=6689 Philips SQ Holland NOS gold pins 1974 (9.4ma and 9.6ma)
(!) (Best Single) E83F=6689 Siemens Holland NOS gold pins 1968 (15.2ma)
E83F=6689 Amperex Holland NOS gold pins 1962 (9.2ma)
E83F=6689 Philips Holland NOS 1974 (10.4ma)
E83F=6689 Philips Miniwatt Holland Gold Pins NOS 1965 (11.9ma)
E83F=6689 Philips Miniwatt SQ Holland NOS 1964 (10.5ma)
E83F=6689 Siemens Holland NOS 1963 (10.6ma)
E83F=6689 Siemens made in Holland NOS 1966 (8.5ma)
