View of bicycle manufactured by the Duryea Wheel Company. Printed on front: "Spring-frame safety. Duryea Wheel Company, Washington, D.C." Typed on back: "Subject: Bicycles. Collection: MS3/Charles E. Duryea Collection. Date: 1880's. Source: Estate of Charles E. & M. Jerry Duryea. I.D.: Spring-frame safety. Duryea Wheel Company, Washington, D.C. The Sylph?"