...States of America ana" Japan, which was ratified at Shimoda on 21 February 1855, stated: It is agreed that ships of the United States resorting to the ports open to them shall be permitted to exchange gold and silver coin and articles of goods, under such regulations as...

...safety of shipwrecked sailors and for the supply of provisions to ships. It also granted the right to "exchange gold and silver coin and articles of goods, for other articles and goods, under such regulations as shall be temporarily established by the Japanese Government for...