Gunshop.
in excise RG-23 PART 1 AND RG-23 PART -2 ARE REGISTERS TO BE MAINTAINED BY ASSESSEE
50-100
In perfect condition the Rohm RG 23 .22 cal runs from 50-75$ hope that helps
Try gun shops, gun shows, want ads, on line auctions.
25-75
The Mod RG 23 is a revolver chambered for .22 LR, manufactured by Rheinmetall, a German company known for producing firearms and military equipment. The RG series of revolvers, including the RG 23, were popular in the mid-20th century, particularly in the 1960s and 1970s. They are often considered budget-friendly options for recreational shooting and training.
About $50. Low quality, low value pistols
No known sn data published.
25 USD
Rohm. See link below.
No serial number data base. Most of these were from the 1960s
Best left to a gunsmith.