According to the American numismatist Robert W. "R.W." Julian 49 medals were struck by the United States Mint in Philadelphia in silver /43 on October 27, 1909, and 6 more on November 2, 1909/.
Silver.
Size 77 mm.
Medal was designed by Charles Barber and George T. Morgan.
Reverse...
1909 american table medal1909honorarycommercialcommissionofjapanmedal1909japanese visit to san francisco medal1909年日本實業家來米歡迎紀念章
commercialcommissionofjapan visit us medaljapanese businessman visit to san francisco medal