US Navy Destroyer Michael Monsoor DDG-1001 Challenge Coin. Zumwalt-class Michael Monsoor Challenge Coin. It rarely comes to Japan, so I think it’s quite rare. A specialty shop offering a wide variety of carefully selected Japanese brand items. Even if you think to yourself, But the item I want is only available in Japan. , make sure to consult with us before giving up hope. We will look for and suggest the best products on your behalf. International Buyers – Please Note.