SELMER TREBLE 'N' BASS 50 WATT (MARK III) AMPLIFIER HEAD

COURTESY OF CEDRIC JACOBI, GERMANY:

SERIAL No: 51795

COURTESY OF DAVE WRIGHT, UK:

SERIAL No: 67699

EARLY TREBLE n' BASS Mk III FITTED WITH BLACK PLASTIC CONTROL KNOBS

COURTESY OF JULIAN MARSH, NOTTINGHAMSHIRE, ENGLAND :

SERIAL No:  53309

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INNARDS OF A Mk III TREBLE n' BASS

COURTESY OF JULIAN MARSH, NOTTINGHAM, ENGLAND:

SERIAL No: 56962