When you say first generations, is that one removed from the source reproduction, or is this the believed first copy? Where did this tape source from geographically? PAL/NTSC? One of the main RotJ bootleg stories was the Hastings heist. Where LFL/Fox put out a bounty for the prints return: (Babyhum's BH018 has some news reports on the story)

But there were other RotJ's which were lifted. According to:

http://books.google.com/books?id=MjFL1KbcX_oC&pg=PA122&dq=%22return+of+the+jedi%22+piracy&hl=en&ei=1Xj_Ta2cJI6r0AHhp9ieAw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCoQ6AEwAA#v=onepage&q=%22return%20of%20the%20jedi%22&f=false

During a two-week period in the summer of 1983, the season's blockbuster hit, Return of the Jedi, was stolen five times from cinemas in three states and in Britain to be turned into illegal videocassettes.

Guessing the four US heists created the necessity for the Hastings bounty.