Seller does not mention the 6 holes filled behind the tailpiece. Roland unit or some sort of large tremolo installed? Possibly ruined a gold top or something and required a refin? Speculating.
https://www.ebay.com/itm/1980-Toka...349624.m46890.l49286&mkrid=705-154756-20017-0
https://www.ebay.com/itm/1980-Toka...349624.m46890.l49286&mkrid=705-154756-20017-0