As Harve 202 said, check on "muff pistol" (for the ladies) or (coat) "pocket pistol" (for the gents). Many are boxlocks and there are a fair number of both flint and percussion versions that have survived. I would guess that based on small size (no storage issue here) & the "carry a lot, shoot a little" description that characterizes modern snubnoses (not likely to be worn out) that the survival rate is higher than for most types of BP guns. I frequently see them offered by dealers. That said, a gun of any kind cost scarce money & these little pistols were not good for hunting or anything other than close up self defense. A knife would be much more likely for the "common sort" and pocket pistols for the well heeled "gentleman".