This one will be difficult without pictures. Do you suspect it is a Smith and Wesson. Does it have any S&W markings anywhere on the gun?
Does it look like this? Item:6926221 BELGIUM??? BELGIUM TEXAS RANGER .38 S&W SPECIAL CTGES For Sale at GunAuction.com
Try this google search: https://www.google.com/search?ix=sea...+Special+Ctges