Confederacy Hilton Head, S.C. Imprint at top of cover to New Bedford, Mass., franked with U.S. 1861 3¢ rose tied by target, matching "Port Royal, S.C., Mar 26" cds alongside, Very Fine. Scott No. U.S. 65  Estimate $200 - 300. Hilton Head, an island of the coast of South Carolina guarding the entrance to Port Royal, was the site of a temporary prisoner of war camp. $0 (Image)