(!!!!) (Recommended Pair) E80CC=6085 Philips Holland branded CEI gold pins NOS 1966 (5.3/6.7ma and 5.4/7.0ma) (close Gm)
(!!) (Good Value Single) 6201=12AT7 Valvo Germany rebranded Philips SQ 1970 (6.8/7.8mA)
E80F=6084 Philips SQ Special Quality Holland Gold Pins NOS 1968 and 1973 (2.9ma/3.0ma) 1-3% matched