I think that it is an 1981 the system works like this for certain ones but where it was made makes a difference if it is made in U.S.A. this is how it is dated your # is 82681563= 1st&5th digit =81 2nd-4th= the day of the year=268=September 25th 56 = the production line # of guitars made till then 3= the 3rd guitar made on September 25th 1981 so the next guitar made after yours would be 574 and the # would read like this 82681574 but remember it matters where it was made in what country I hope this helped you