Looks like early 90's or late-80's by the logo and style.
Although, it could br 10yrs later. After Sear's left Delta as a supplier and went to Asia.
Missing the disk table and the side covers.
I wouldn't pay more than $20 for it unless he has the missing parts.
I have the same one,like stated already its missing pieces.Ill try to snap a pic tommorow
Of mine.its missing the knob that releases the belt paper too.