Stevens Old model pocket Brass single shot pistol, cal 22 short

Stevens Old model pocket Brass single shot pistol, cal 22 short . Flayderman P 244, item 5H 002; 

Last patentdate on barrel is 1864, overall 95 % orig. nickle, just a bit of loss around the trigger, where the brass frame is showing, sharp adress, excellent grips and works super, bore is fine, serialnumber 1797;