diameter: 1 9/16 in. ( 3.9 cm )
Bronze struck medal with obverse depicting neo-gothic building at center, surrounded by legend: "11th ANNUAL CONVENTION OF THE N.A.L.C./SEPT.3-8, 1900."; inscription in exergue: "DETROIT POST OFFICE." Reverse depicts ships in harbor with superimposed oval medallion with mailman's figure within; legend: "THE ONLY FREE/SERVICE IN THE WORLD"; inscription in exergue: "MARINE DELIVERY." Circular hole punched at top center.
Due to ongoing research, information about this object is subject to change.