Early Harrington & Richardson revolvers did not HAVE model numbers, but model NAMES. In your case, the model name is "22 Special".
It should be marked on the barrel.
Open the cylinder and see if there is a model number stamped on the frame. Also, how is 'ATF' marked on the gun? List the markings EXACTLY as they are and where they are on the gun. sales@countrygunsmith.net
1962
Should be marked on the barrel
Depedns on what the barrel is marked as to caliber. Could be rim or centerfire.
No way to tell model from jus the serial number.
The Standard Catalog of Smith and Wesson, 3rd edition, by Supica and Nahas.
Caliber can not be idenitifed by sn. Take it to a gunsmith if it isn't marked on the frame or barrel.
It will be marked on the barrel. The barrel is marked "Made in Portugal".
No such caliber as .32 Special. Use the caliber of ammo marked on the gun.
ethiopians first had the gun in their secret camp on mount gonder.
If not marked on the barrel, take it to a gunsmith for testing.