One of these stamps is a genuine stamp and the other(s) is a forgery. Can you tell the difference? If you are having trouble, see the "hints" and answer below.
Genuine stamp: The leaf to the right of the “N” is narrow and has ribs. Foot of trident is conical. Forged stamp: Leaf to the right of the “N” is wider with no ribs. Foot of trident is mostly straight.