diameter: 2 3/4 in. ( 7 cm )
Inscription: obverse, at lower left of field: artist's monogram "HS" with trademark symbol below
Inscription: edge, lower center: "MEDALLIC ART CO. N.Y."
Bronze struck medal with obverse showing image of train drawn by locomotive with allegorical nude male figure flying at right, with right arm stretched forward; legend: "ONE HUNDRED YEARS/SAFETY STRENGTH SPEED." Reverse depicts the first steam locomotive built in the United States with inscription in exergue: "PETER COOPER'S/"TOM THUMB"; legend within line border: "TGE.BALTIMORE. AND.OHIO.RAILROAD.COMPANY/.1827.1927."
Due to ongoing research, information about this object is subject to change.