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 California Marine Corps Base San Diego, Calif. 1942 International Machine Type HD17 1924-1942 6c Monoplane Air Mail Envelope,. San Diego county. CA420131A $10.00
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 California Presidio 1898 cork killer 1888-1902 Army Christian Commisssion of the YMCA Patriotic Reduced at left, creases, tear and edge wear. San Francisco county. CA!981023 $10.00
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 California Presidio 1899 cork killer 1888-1902 U.S. Army and Navy Department of the YMCA Patriotic Reduced at left, crease and tear at bottom and edge wear. San Francisco county. CA!990906 $20.00
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 California San Francisco, Cal. 1899 Barry Machine Type F2(1) 2c Washington First Bureau on War Department Penalty Bit reduced at right and some edge wear. San Francisco county. CA!991112 $15.00
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 California Presidio 1908 cds, 1908 in duplex PPC (Real Photo showing soldiers in first aid drill). San Francisco county. CA080000A $15.00
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 California Presidio Sta. 1908 sl in duplex PC. San Francisco county. CA080320 $10.00
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 California Presidio Sta. 1909 sl in duplex PC. San Francisco county. CA090306 $10.00
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 California Fort Barry 1913 4a-bar 1911-1918 PC Creases and some edge wear. Marin county. CA130904 $25.00
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 California San Diego, Cal. 1917 Universal Machine Type BT200 Flag Patriotic Reverse Inscribed Y.S. Training Camp Reduced at right into stamp. San Diego county. CA170920 $10.00
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 California Kearney Branch San Diego, Cal. 1917 Universal Machine Type DS300 Obverse Illustrated and Reverse Printed Advertising Army and Navy Department Young Men's Christian Associations (In the Field) Patriotic Bit reduced at left. San Diego county. CA170928 $15.00
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 California Oceanside 1917 duplex Postal Stationery Envelope violet intalicized serifed sl Back the Boys In The Trenches Buy a Liberty Loan Bond�Patriotic. San Diego county. CA171010 $15.00
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 California San Diego, Calif. Kearney Branch 1917 Universal Machine Type DB300 1917-1921 Bi-color flag Patriotic Reverse Corner card YMCA Bit reduced at left and bottom left corner clipped. San Diego county. CA171123 $10.00
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 California Kearney Branch San Diego, Cal. 1917 Universal Machine Type DS300 Obverse Illustrated and Reverse Printed Advertising Army and Navy Department Young Men's Christian Associations (In the Field) Patriotic Reduced at right. San Diego county. CA171124 $10.00
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 California Kearney Branch San Diego, Cal. 1917 Universal Machine Type DS300 Obverse Illustrated and Reverse Printed Advertising Army and Navy Department Young Men's Christian Associations (In the Field) Patriotic with matching enclosure Small opening tear at top and bit reduced at left. San Diego county. CA171229A $15.00
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 California Kearney Branch San Diego, Cal. 1918 Universal Machine Type DS300 Rubberstamp corner card Bakery Co. No. 323 Q.M.C. Bit reduced at top. San Diego county. CA180115 $15.00
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 California Mare Isl. Naval Br. Vallejo 1918 numeral duplex with violet sl Returned To Writer Unclaimed in pointing hand 1917-1924. Solano county. CA180125 $10.00
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 California Oakland 1918 machine Local Board War Department Penalty Postcard Crease at bottom left and top right. Alameda county. CA180410 $10.00
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 California Kearney Branch San Diego, Cal. 1918 Universal Machine Type DS300 PPC (The Califonria State Building, (Exhibits of France) Panama-California International Exposition, San Diego, Cal.). San Diego county. CA180703 $15.00
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 California San Diego, Calif. Kearney Branch 1918 Universal Machine Type DB300 1917-1921 Corner card YMCA Crease at bottom left. San Diego county. CA180722 $10.00
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 California Fremont Branch San Francisco, Cal. 1918 American Flag Type A38 1917-1919 Red and Black Corner card YMCA Ragged at right into stamp. San Francisco county. CA180820 $15.00
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