box: 2 3/4 x 2 3/4 in. ( 7 x 7 cm )
diameter: 2 1/2 in. ( 6.4 cm )
marked: on edge: "MEDALLIC ART CO. N.Y. / BRONZE"
printed: on inside of box lid: "MEDALLIC ART CO. / NEW YORK"
Struck bronze medal commemorating sesqui-centennial of the New-York Historical Society; obverse with seal of N-YHS and legend "THE NEW-YORK HISTORICAL SOCIETY / INSTITUTED 1804"; reverse with image of N-YHS building on Central Park West and legend "THE NEW-YORK HISTORICAL SOCIETY / ONE HUNDRED AND FIFTIETH / ANNIVERSARY / 1804-1954"; in original cardboard box.
Due to ongoing research, information about this object is subject to change.