This Brilliant Uncirculated coin is a unique error piece from Belgium dated 1990, featuring King Baudouin I on the obverse. It has a denomination of 1 Franc and is made of Acier plaqué nickel, with a round shape and a weight of 2.75g. The coin shows a die crack on the obverse side, adding to its uniqueness and potential value for collectors. It was minted in France, has a diameter of 18.00mm, and is uncertified in terms of its authenticity and condition.