2020 China World Heritage – Liangzhu City Ruins 10 Yuan 30g Silver Coin. About Notes & Coins. The actual note may have a different serial number, signaturs and prefixs. Please use the image as a reference only. The notes and coins we sell are 100% real and UNC. It will take about 7-15 days for the project to be sent from China to the United States, or longer under special circumstances. The project will be sent from China to other countries for about 7-30 days, special cases or special circumstances. Response time during China holidays and weekends maybe longer.