Mullard Magic: For All Your Vintage Valve and Radio Needs!
CV2492 MIL SPEC E88CC MULLARD MITCHAM AUG 1964 PRODUCTION
E288CC MULLARD HEERLEN OLD SHIELD WHITE PRINT 8223 NEW WHITE BOX
ECC88 6DJ8 MULLARD NEW SHIELD WHITE PRINT
Russian 6N23P ECC88 6922 Voskhod, grey shield, Kaluga factory marked as PCC88 7DJ8
