Depends greatly on Condition, Condition, Condition, and Condition! From $200 to $800+ for LNIB w/ cleaning rod, instruction manual.
Condition?
Made in 1919. Check the associated link.
fair condition 300-400.
Greatly dependent on condition. from $200 to $1,200 for new in the box.
According to the Remington website, there are three possible years for the manufacture of your Remington UMC 380, with a serial number of PA 50795. Those years are 1995, 1968, or 1923.
http://stevespages.com/ipb-remington-51.html
Manufactured 1919
Depends on original condition from a $100 parts gun to as much as a $1,200 new in the box.
Someone at the Remington Society of America web site could probably help you.
The value will be determined by the condition of the pistol. Anywhere from $0 to $500. In Mint condition especially in the box they can be worth double that.
Depends on condition, condition, and condition. From $100 to $1,200 LNIB.
Union Metalic Cartridge Co. is a division of Remington UMC purchased Remington Arms Co in 1912 and became Remington Arms UMC.