(!!) (Best Single) ECC808=6KX8 Mullard Made in Germany by VALVO NOS 1969 (2.1/2.2ma)
(!!) (Good Value Single) 6201=12AT7 Valvo Germany rebranded Philips SQ 1970 (6.8/7.8mA)
(!!) (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968 (13.4ma and 13.8ma)
(!!) (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968-1972 (18.4ma and 18.5ma)
(!!) AZ1 Miniwatt Dario France NOS 1954-1955 (1 in stock)
(!!) EF80=6BX6 Mullard UK "D" getter NOS 1963 faded Mullard logo (10.6ma)
(!!) EF80=6BX6 RTC by EI Yugoslavia NOS 1976 (14ma)
(!) (BEST PAIR) EL86 Valvo Holland NOS original boxes 1969 (68.2ma and 67.5ma)
(!) (BEST SINGLE) EK90=6BE6 Telefunken Germany <> bottom NOS 1960's (1.7ma Gm=1100)
(!) (PAIR) EL86 Valvo Holland NOS original boxes 1969 (55ma and 56ma)
(!) (Recommended) EM87 Valvo Germany branded Siemens Germany NOS 1961 (4 in stock)
(!) E81L=6686 Philips SQ made By Valvo, Hamburg, Germany NOS 1971 (16.6 and 17.4ma)
(!) ECC82=12AU7 Valvo Holland used/good 75-90% 1968 (7.8/9.0ma)
(BEST PRICE) EF42 NOS (4 for $29.99)
(Best Single) E130L=7534 Amperex by Valvo Germany NOS 1962 in Amperex box (102ma)
(PAIR) E81L=6686 Siemens East Germany NOS 1976 (20ma and 20.5ma)
14L7=UBC41 Valvo by Mullard NOS 1962 (3 in stock)
150C2=0A2 Mullard branded Philips NOS 1968 (argon)
19D8=UCH81 European Brands NOS (4 in stock)
19EZ8 NOS (1 in stock)