(!!) (Best Single) ECL86=6GW8 Amperex Bugle Boy Holland NOS 1966 (1.3ma and 40ma)
(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) (SINGLE) 5R4GYB RCA NOS 1963 large getter (48/40 and 50/40)
(!!) (SINGLE) 6BM8=ECL82 Valvo Holland used/good 1960 (1.9ma/34ma)
(!!) 12AT7 Knight by Mullard NOS 1966 (8.8/9.4ma)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!!) 5R4GYB RCA rebranded Raytheon NOS 1960's (50/40 and 53/40)
(!) (Best Value Single) 5687WA Sylvania JAN used/good faded printing 1970's (31/35.8ma)
(!) (microhonic) 6DJ8 Brimar England rebranded IEC Mullard NOS 1966 (11.4/11.6ma)
(!) 6DJ8 Brimar England NOS 1960's (13.0/14.3ma)
(!) 807 Mullard UK rebranded GE NOS 1967 (71ma)
(!) 807 Mullard UK rebranded Sylvania NOS 1966 (81ma)
(!) JHS-0A2WA Sylvania used/test like new 1966 (1 pair)
328A Western Electric "small punch" NOS 1953 (5.5ma)
328A Western Electric small punch plate used/good 1953 (4.6ma)
329A Western Electric NOS 1966 (1 Pair: 34.5ma and 38ma)
5687WA GE used/tests like new 1970's (44/45ma) (highest Ma and Gm)
5687WA Sylvania JAN used/tests like new 1960's (39/43ma) (high Ma and Gm)
5R4GYB RCA used/strong 1970 (52/40 and 54/40)
5R4GYB RCA used/very good 1964 (51/40 and 54/40)