Little value. @ turn of the century
This would be a Davis Arms .22 Caliber Derringer.
derringer
Just sold a derringer 25 Davis for $75
No way to do it without a detailed description of ALL markings, caliber and pictures.
any firearm, bb gun, pellet gun or anything that launches a projectile are dangerous. Just because a firearm is a small caliber does not mean its not dangerous or lethal. So VERY.
44 caliber derringer pistol.
The caliber of a Philadelphia derringer with Jukar 054167 Jukar stamped on the barrel is not known. There isn't enough information to determine what the caliber would be. A gun collector would be a good person to ask.
No, unless it's a frame with barrels that can be changed to suit different caliber ammunition.
You will have to contact Rossi
No published data
A Philadelphia Deringer .
50 or so