I could not find any 380 cal. pistol going back to 1887 ??? are you sure it's not a 38 cal. revolver ???? check writting on top of barrel ......................
100-1000 depending on specifics
0-1000 usd
You will have to call Colt
Fine pistol
Proofhouse.com has Colt sn data.
the ACP in any gun cartridge means Colt Auto Pistol
Ruger is the name of the company that made the pistol. .380 ACP is the cartridge size. ACP stands for Automatic Colt Pistol- part of the cartridge name, as some of the first of the .380 cartridges were made for use in Colt pistols..
pistol made about 1920
check it out at: http://stevespages.com/page7b.htm
100-500 USD
Impossible to answer without the serial number. You can also contact Colt
You will have to call Colt. Sn goes beyond published data.