MICHAEL JACKSON Human Nature (Rare 1983 US ultra high-grade methyl cellulose metal based lacquer reference single sided test pressing acetate for the 7" single cut into a 45RPM 10" disc. Released as the fifth single from the album, Thriller, on the 3rd July 1983. This disc has Allen Zentz Recording studio labels, custom typed with with artist name, title and dated '6/22/83', with a plain die-cut sleeve. This would have been pressed in very small numbers before the finished article, intended for sonic review & not commercial resale. The disc remains in nice condition with just faint signs of cosmetic wear only natural with acetates. Very tough to find).