Massachusetts--Boston. 1889-1890 International Maritime Exhibition. Rulau Ma-Bo 51A. White Metal. Plain Edge. MS-61 (NGC). 33 mm. Pierced for suspension. <strong>Obv:</strong> View of Exhibition grounds with inscription INTERNATIONAL MARITIME / EXHIBITION around. <strong>Rev:</strong> Ship sailing right within square border, EXHIBITION. above, BOSTON, MASS. below, inscription INTERNATIONAL MARITIME above, dates 1889. and 1890. below. This type is unlisted in the 2004 edition of the Rulau reference on U.S. tokens. From the Robert Adam Collection of Tokens and Medals. Acquired via eBay, October 2000.