# Image2 City State Subject Description Year Color Notes Actions
581 USS YMS-111 Military Fake cancel supposedly used by this minesweeper 1944 blue
582 Ventura CA Landmarks Anacapa Island arch, Channel Islands National Monument 1972 black
583 USS Honolulu (CL-48) People King Kamehameha, bamboo; [plant] 1946 black
584 Washington DC Postal Philatelic Exhibition; [philately] 1971 black
585 Walnut Creek CA Structures Naturalist John Muir's house in Martinez, CA; [science] 1972 black
586 Washington DC Structures Smithsonian Station cancel with cabin and flag 1971 black
587 Williamsburg VA Postal In the style of the colonial-period Williamsburg straight-line town mark and "bishop's mark" date cancel 1958 black
588 Washington DC Structures Smithsonian Station machine cancel with cabin in flag 1972 black
589 Yakima WA History Mountains; In the Treaty of 1855, Cayuse, Umatilla, and Walla Walla peoples ceded their lands to the US while retaining a reservation and fishing, hunting and plant gathering rights; [Native Americans] 1972 magenta
590 Milwaukee WI Transport Commemorative tour of the 'Spirit of St. Louis' replica; [aircraft] 1977 black