Check out this Garage Sale find. Definitely the rarest Pedal I've ever found! An Ace Tone Fuzz Master FM-1. I know these were built between '66 and '68 and were not as
Ace Tone FM-2 Fuzz Master | Reverb
ACE TONE FUZZ MASTER FM-3 guitar effect pedal for sale
Ace Tone FM-2 Fuzz Master - Soundgas
Retro-Tone Junkie: Ace Tone Fuzz Master FM-2
Ace Tone Fuzz Master FM-2 Professional 1970's - Black | Reverb
Univox Super-Fuzz / Ace Tone Fuzz Master FM-2 Tone Differences | The Gear Page