I don't believe that is a reversed "89" tag. 1989 Sand Knit year tags are stitched. The tag in question is screened. Medalist Sand Knit didn't use year tags during the Pistol era. I have no clue as to what that tag means??
Maybe L.L. knows! (No. Not Cool J. or Bean...the other guy).

Joel
Yes. My fee has been adjusted to $0.55...