How about 50A instead of 504? These were made from the early 1960's to 1975. They rarely get over $100 even in top condition. sales@countrygunsmith.net
That particular pistol was made in 1956 -mail me at nmcop@msn.com KC
i have this ij&c.wks 8 shot 22long pistol,an am trying to find out if it has any value. it is made in fisthburg mass. but don't no the year. ig you can be of help please reply. thanks lowell
No known sn data. Most likely 50-60's