"The first evidence of coins in Ancient Egypt was made in the form of rings of gold, silver and copper, with specific weights, which were measured and certified. Gold coins are found on the paintings from tombs as early as 1430 BC. Documents recovered from the times of Amenhotep II show that the values of different items were expressed in terms of pieces of metal of gold, silver, and copper, and were of fixed weight and value. Other weighted materials of gold and silver were recovered from the time of Ramses III."