The 1967 Tonga Coronation Day Coin Set includes a 1 Paanga and 2 Paanga coin, as well as a 50 Senti and 20 Senti coin, all minted in the original holder. These coins commemorate the coronation day of Tonga in 1967, making them a unique and historic collection for numismatists and collectors of world coins. The set showcases the rich cultural heritage and history of Tonga, with each coin bearing distinct designs and symbols of significance.