300 Francs Guinéens 1992 Summer Olympic Games

Guinea's Olympic commemorative program in the late 1980s was contracted through foreign minting houses — this piece almost certainly struck in Europe rather than Conakry, where no facility capable of fine silver production existed. The 1992 Games attribution on a coin dated 1988 is straightforward advance-issue practice, common among smaller nations generating hard currency through numismatic exports well before the event itself.