Yes
If the mark is under the grip it's a Colt inspectors mark, if on the frame it probably belonged to the Immigration & Naturalization Service at one time.
for grips try: edssportshop.com
made about 1952
No
What is the grip made of?
The horse is a colt, and Colt is the name of the gun company.
as with all things being sold.......condition paramount to price offered
Look on the grip frame under the grip panes and on the bottom of the frame under the barrel.
No. The barrlel and grip are longer on the Government model. The Gov't model has a barrel bushing, where the Mustang does not.
You could try GunGrip site. They have all styles.
on the grip frame.
if the revolver you have is a police positive special,it was made in 1940.the value would be 200.00dollars in 50% condition up to 295.00 in 90% condition.