t the Croatian Mint’s smallest gold coin is considered the smallest commemorative gold coin in the world the smallest gold coin in the world was the 1/100th gram gold coin produced by a company called Valcambi Suisse. This tiny coin measures only 2.4mm in diameter and contains 1/100th of a gram of 999.9 fine gold.
- Croatian Mint’s smallest gold coin: The smallest gold coin in the world was minted by the Croatian Mint. The coin has a diameter of 1.99 millimeters and weighs only 0.05 grams. It is part of a gold numismatic set, along with a one-ounce gold coin with the motif of the Višnjan Observatory.
- Swiss mint’s smallest gold coin: Swissmint’s Valcambi smallest gold coin has a diameter of 2.96 millimeters and weighs only 0.063 grams. It features a picture of Albert Einstein sticking his tongue out and has a face value of a quarter of a Swiss franc.
- Vijayanagara Empire’s gold bele coins: The tiny gold bele coins of the Vijayanagara Empire in India, issued circa 1336 to 1646, are about 2 to 3 millimeters in diameter, smaller than most grains of rice.
- 1/10th ounce gold coin: The smallest gold coin available for purchase is the 1/10th ounce coin. It has a face value of $5 and has a diameter of 16.50mm, containing 0.1000 troy ounces of gold.