This is a Folbert Rifle, it may not be safe to shoot, 1902 Sears Cataglog says to "buy a good rifle".
But... they are collectable. So the $1 to $2 that they cost in 1902 has gone nothing but UP.
Folbert invented the rimfire I think.
Location: Third bunker on the right,Central Virginia
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Gents above me are correct, even if their spelling is off. It is a Warnant type rifle intended to shoot Flobert cartridges. Those have NO POWDER, and a light round ball. Intended for indoor target shooting. Use of anything else may be why the breechblock is missing. Imbedded in shooter's forehead.
Here is what it look like intact-
What we have here is... failure- to communicate.