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Guinness World Record: On June 27, 2024, the Hum coin was officially recognized by Guinness World Records as the smallest coin, surpassing the Swissmint’s 2020 1/4-franc Albert Einstein coin (2.96 mm, 0.063 g). The record was celebrated with a ceremony at the Croatian Mint, where CEO Robert Blaic accepted the certificate, cementing Croatia’s place in numismatic history.