This Colt Official Police revolver is chambered in 22 LR and has a 6-inch barrel. It was made in 1937 and carries serial number 12857. The back strap is marked U.S. Coast Guard, and the listing gives about 85 percent of the original blue. The grips are listed as excellent, and the revolver is marked used under SKU C19827.

The revolver suits a collector of Coast Guard marked firearms who values a documented configuration and a high share of original finish. The listing says it comes with a factory letter confirming the configuration, including the Coast Guard marking. The letter and the back strap marking are the two details to verify, and the listing notes it was one of 25 shipped to the Coast Guard depot in Curtis Bay, Maryland.

Key features

• 22 LR, 6-inch barrel
• Made in 1937, serial 12857
• Back strap marked U.S. Coast Guard
• About 85 percent original blue
• Comes with factory letter

This revolver ships to the California FFL dealer you choose, where you complete Form 4473 and a background check.