Hi all, new member but not new to revolvers. I purchased my first S&W revolver, used with no box or info. It is a Model 66-8 Combat Magnum, serial number DJX4xxx. I would like to know if anyone can help me date this revolver. I have been trying for 2 days and am more confused than before I started. I know it is a newer gun, just want to know when it was made. Thanks for any help you can give me.