Manhattan Double Action Bar Hammer Pistol - 2
This particular Bar Hammer is notable in that the serial
number, usually appearing prominently on the bottom flat of
the octagonal barrel immediately in front of the trigger guard,
and on the left side of the trigger,
is non-existent. Is this
perhaps an early prototype? Does this pistol precede serial
number 1?

The Bar Hammer single shot Manhattan pistols are among the
rarest of Manhattan handguns.