Extremely rare, 16th century one-of-a-kind 18-karat gold surrounding extra-large silver ingot Flower Money coin from the Kingdom of Lanna, in Northern Thailand. The front of the silver ingot symbolizes flowers and the back raindrops. The ingot measures approximately 2.5 inches in diameter, or 60mm, and includes a diamond. The pendant is shown here on our 20 inch 18-karat gold open long cable 2.9mm link chain.