Pencil signatures, in Japanese, of the first three ambassadors to the United States: Masaoki, Norimasa, and Tadamasa on an off-white 1.5 x 3.5 card, dated at the bottom in an unknown hand June 19, 1860. Card is affixed to an 8 x 2 card, along with a note of provenance from George Brewster stating the signatures were “given personally on the 19th June 1860, together with some Japanese coins.” In fine condition, with scattered light toning. RRAuction COA.