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
About $50. Low quality, low value pistols
No known sn data published.
Rohm. See link below.
25 USD
No serial number data base. Most of these were from the 1960s
Best left to a gunsmith.
10-30 USD or so