Mullard Magic: For All Your Vintage Valve and Radio Needs!
6X4 ,BRIMAR ,WHITE PRINT, 1960s MANUFACTURE
6X4 BRIMAR ORANGE PRINT 1959 MANUFACTURE
6X4 BRIMAR WHITE PRINT 1960s MANUFACTURE
6X4 TUNG-SOL USA 1960s MANUFACTURE
6X4, BRIMAR, LIMITED WHITE PRINT, BLACK GLASS