Here is a short walk at the Hilton Marriott Marquis in Atlanta at Worldcon 1986 where we see some very early fursuiting. In this case some Hani from the books Pride of Chanur. Following that we have a view of the costume photoshoot area. More furry costuming than you would expect for 1986.

https://en.wikipedia.org/wiki/44th_Wo...

https://en.wikipedia.org/wiki/The_Cha...