6688=E180F National UK black plate NOS probably made by Amperex (9ma)
6688=E180F National UK gray plate NOS probably made by Amperex (16ma)
7729=12AX7 Raytheon Uniline Gold Pins (sold out)
E83F=6689 Amperex Holland NOS gold pins 1962 (9.2ma)
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)
EC81 Philips Holland Gold Pins NOS 1966 (28ma)
EC88 Siemens Germany gold pins NOS 1965 (14ma)
GB-407A Sylvania Gold Brand gold pins like new 1960's
GB-407A Sylvania Lenkurt Gold Brand gold pins used/like new 1960's
