In February 2007 these vintage Yugoslavia 84 and Ireland 85 & 88 matchworn shirts were sold on Ebay. The seller added the following information:
This auction is for a Yugoslavia match worn adidas 1984 away shirt. It was worn against Scotland at Hampden Park, Glasgow on 12 September 1984.
It was an International friendly "exhibition match" which Scotland won 6-1! (I have included pics from the match).