Uh.. I dunno, Osiris.
anyway, here are the "official solutions" of the three first enigmas:
1)Daniel and Pilot are right, the coin is a fake, because the inscription "540 b.C." is a contradiction.
2) Bravo, Pilot. It's an unfolded parachute.
3) congratulations, Rettick. The man is a priest, he performed marriage ceremony for the ten women.