They were put on in house, same as Winchester or Remington.
www.gunproofmarks.ru
its a shot gun with the serial no 24783 is stamped Henry arms co on both sides Henry Arms is not a listed Brand name used by Crescent Arms for their double shotguns. You may have a Belgian or Spanish import. Check the proof marks.
70-100 years.
Turn of the century.
The best place to get shot by a gun is the Legs, Arms, or Butt No just the arms.
100 yrs give or take a few decades
in the head
Blue book of gun values
riverside arms co. split single shot gun
Proof
Turn of the century to the mid-30's or so.
with their arms and feet !