Unfortunately we cannot see the starting number on the door on this picture.
Your names are correct. I took a look on this site about rajd Polski and I saw many mistakes in the Bulgarian names.
Here are Radoslav Petkov - Nikolay Monchev and the information send to me says that it is rajd Polski 1984:
http://forum.rally-club.bg/gallery2.php?g2_itemId=43059But starting number on the picture is 26 and the above link lists them with starting number 10 in 1984 and 6 in 1985. Any idea about what is wrong?