Minature cap pistol,, cast pot metal

Very small paper cap pistol, Used small square paper caps which were loud considering the size,Holster was mounted with a small leather piece and the whole thing hidden in the palm of your hand.
This would get you expelled from school these days ,,,but not in grade school in the 40's. I believe I got it as a prize in something,or ordered from a radio program . About 78 years ago! I do not remember which. the penny is for size.