diameter: 1 1/4 in. ( 3.2 cm )
Inscription: reverse, at lower center: "GREENDUCK [illegible]"
Aluminum struck medal with obverse showing image of approaching streamlined train with inscription in exergue at center: "LUCKY PIECE" and date at upper left: "1934"; legend: "UNION/PACIFIC." Reverse bears shield-like logo of the Aluminum Company of America at center with inscription: "A SAMPLE/OF THE ALUMINUM/IN THE NEW/UNION PACIFIC TRAIN/BUILT BY/PULLMAN CAR & MFG. CORP./ALUMINUM CO./OF AMERICA."
Due to ongoing research, information about this object is subject to change.