2022 Niue Chinese Calendar 2oz Silver Antique Coin. The Chinese calendar is closely related to the chronology of the moon and the sun. It is a remarkable example of measuring the time that combines metaphysics with science and observation of the world. It represents the power of the twelve lunar zodiac signs and the yin and yang philosophy. This classic oxidized coin with high relief will inspire the lovers of history, Far Eastern culture, and astrology. 12 Chinese zodiac signs on one coin. 2 ounces of fine silver. A classic theme in an artistic perspective.