50-5000 usd
your 1911 was made by Colt in 1918.............however, value depends entirely on overall condition. Metal finish, bore condition, grips................it could range from $800 up
If you do a web search for Colt 1903 grips, you will get a starting point. If you do a web search for Colt 1903 grips, you will get a starting point.
The A1 wasn't issued till after 1924 I believe..
go on the internet and print in 'colt grips' a number of places with grips will pop up......
Colt grips can be purchase from eBay and they are found under Accessories. GunBroker is also a good website for purchasing good Colt grips. For vintage gun grips, one can try VintageGunGrips.
You can get faux ivory grips for a Colt Walker at: tombstonegrips.com
10-400 usd
It is unlikely that those are Colt factory grips.
your colt model 1911 was made by colt in 1913.
The US Army were issued the Model 1911 Colt .45 automatic pistol.
The colt 1911 fires .45ACP ammunition.