Valuable group of (12) covers, incl US #279B 1902 Agana to San Francisco; US #319 1905 PPC from Shanghai to Guam; #1-2, 5 1900 to Pennsylvania, San Luis D'Apra straightline cancel; #3 1903 "Isl. Guam" pmk; #5 1905 "Isl. Guam" pmk; #5 violet straightline hs cancel Agana; M2 local cover; M4 Sumay to Agana; M5 (2) & M6 local covers; M8 1931 local, Naval Govt corner card; M11 Blk one month before end of service, Merizo to Agana; gen F-VF (Image)