VINTAGE JENSEN SPECIAL DESIGN BLUE BELL MAGNET COVER TWEED FENDER TWIN PRO ALNICO HARDWARE. These fit P12P, P12N, P15P, P15N and came as original equipment on Fender and Gibson Tweed Amps such as the Fender PRO or HIGH POWER TWEED Twin and Gibson GA-40.. Condition is "Used". With mounting hardware and gasket