If it is a collectable firearm, replacing factory grips with non-factory will lower values.
Grips made out of mother of pearl.
made around 1935. Value is decided by condition the gun is in, markings on the gun, and history of the particular gun.
5-80 uSD or so
Impossible to answer without a detailed description of condition, finish, box, papers.
Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Recommend taking it to a gun shop for appraisal.
gun shop, gun shows, want ads, e-gunparts.com
Trade in value @ 400 USD.
Try e-gunparts.com, gun shops, gun shows, want ads for the grips. 25-80 USD
Gun shops, gun shows, want ads.
Try gun shops, gun shows, egunparts
Need more information, including any other markings on the gun.
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.