> Final Fight 3 is a "Super Nintendo" game, never released on arcades or any other > platform. And it's already in MAME "SuperNES" software list. > https://en.wikipedia.org/wiki/Final_Fight_3
This is a too quick answer
There is a bootleg (just like Final Fight 2). The pictures shown by htperspin01 are taken from this bootleg. At this time it is also referenced in MAME source as not yet dumped.
Also there is at least one known owner of this PCB