This offer is for a nice group of 4 Japanese coins. This lot includes one 1964 Silver 100 Yen celebrating the 1964 Tokyo Olympic Games, one1970 Copper Nickel 100 Yen celebrating the World Exposition / World's Fair in Osaka and two 1972 Copper Nickel 100 Yen coins celebrating the Winter Olympic Games in Sapporo. This nice coin collection is Guaranteed to be 100% Authentic. The coins in the pictures are the coins you will receive. The picture with the ruler shows the measurement in mm. The ruler is not included.