Frank Gibson wrote:i think it is very simple to reproduct ...don't you think so?
Nope. The key identifying mark on these promos is the disc matrix:
These discs were factory pressed and there are two different numbers that may appear on the center ring; DIDP-076200 & DISP 001152. Some of these were distributed by the band with custom sleeves. Obviously the artwork could be easily faked, but not the actual disc.