A pretty and rare 1450-1700 Sultanate Kingdom (Malacca or Johor or Palembang or Java) Private Mint Cash coin. Found in the region , possibly used in Malacca & surrounding region.  Bought it in Singapore . This coin is unusually small 20.8mm instead of the normal 24mm-25mm similar type of Song Dynasty with same mark , this one is with the Chinese character xian ping yuan Bao reign mark that was used in Song Dynasty 998 AD, but this trade coin is casted using Mixed alloy for spice trade in South East Asia and for local Indo Archipelago circulation. It is made of Tin lead alloy weight 2.3gm . Consider as light in weight if compare with Song coin around 4gm , in EF condition