The collection contains: Boat Shaped Money (3 pcs) Nice shaped and decorated solid tin clamp money (2 pcs) Sumatra Srivijaya, 1 Mas / Masa units n.d. (1100-1300 AD) Coinage came relatively late to the islands of Indonesia. People from India and Southeast Asia would go there for forest products, eventually establishing colonies, which might become kingdoms. Coinage style was generally Indian, using struck coins in gold, silver, or copper, until the Chinese period of exploration of the 15-16th centuries. Chinese traders brought their money habits with them. Copper coins are friendly to the street market, the idea caught on. By the 17th century local kings were making holes, cast coins for their people. Copper being scarcer, most of the copper cash were imported from China. Local coins tended to be made of tin. Please take a good look at the photos, they are part of the description. They provide a clear picture of the quality and condition of the product and they fill in any gaps in the text or correct any errors and are decisive for the description of the product. ID: 3321a