1991 D USO Commemorative Silver Dollar BU OBV. features a pennant based on the design of the USO flag. Written above in calligraphy is “50th Anniversaryâ€. The remaining inscriptions include “In God We Trustâ€, “Libertyâ€, and the date “1991â€. The obverse was modeled by William C. Cousins and designed by Robert Lamb. REV. the image of an eagle perched on a globe. The eagle has a ribbon in its beak containing the incused letters “USOâ€.  There are eleven stars in a semi-circle below the globe and the inscription “E Pluribus Unum†across the globe. The remaining inscriptions include “United States of Americaâ€, “Fifty Years Serviceâ€, “To Service Peopleâ€, and “One Dollarâ€. The reverse was designed by John Mercanti.