The lowest mintage and rarest commemorative coin of the United States is the 1915 Panama Pacific Exposition $50 Gold Piece. Available in both round and octagonal versions, the high denomination of the coins recalled the Humbert $50 slugs that were created in San Francisco during the gold rush. The coins were issued for the Panama-Pacific International Exposition held in San Francisco.
Silver coin of King Demetrios (with the co-name Poliorketes= greek: the besieger), son of Antigonos Monophthalmos (the one-eyed). The coin depicts the sea god Poseidon as a sign of the sea-power Demetrios gained, especially after the battle against the Ptolemaic fleet. Also on the coin, the so-called sun of Vergina. Symbol of the Kings of Macedon. The Greek writings: ΒΑΣΙΛΕΩΣ ΔΗΜΗΤΡΙΟΥ (of king Demetrios). Also the monogramme on the left side consisting of the greek letters Δ, Η, Ρ for ΔΗmetΡios probably
Karl Shreve And there were $4.00 bill, $7.00 bills. After 1860 or '61 the U.S. mint was established to regulate the printing of money. No longer could Banks, cities and states print thier own money. And private citizens couldn't strike thier own coins. ( However, If you have such a coin dated in the 18th or 19th century. The Smithsonian would LOVE to get they're hands on it. Some are so rare that there value is priceless. )