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 Aberdeen Proving Grounds Aberdeen Proving Ground 1941 numeral duplex Military Cancel Patriotic. Harford county. MD411107 $10.00
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 Aberdeen Proving Grounds Soldier's Free Mail 1943 Aberdeen Proving Ground, Md. to Brighton, Mass. Illustrated Advertising showing a group of soldiers surrounding another soldier who received a package with a cake. Light creases at right. MONARCH SIZE. Harford county. ML430902 $10.00
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 Aberdeen Proving Grounds Aberdeen Proving Ground 1944 machine Postcard Reverse Illustrated corner card United States Army Inscribed Company M 1st Regiment O.R.T.C. Harford county. MD440505 $10.00
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 Annapolis Annapolis 1889 cork killer 2c Green Washington Banknote Green Illustrated Advertising State of Maryland Tear at right and stain. Anne Arundel county. MD!890307 $10.00
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 Annapolis Annapolis 1911 machine Blue Elaborate corner card Carvel Hall Some edge wrinkles. Anne Arundel county. MD111123 $10.00
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 Annapolis Annapolis 1932 numeral duplex 5c Winged Globe Airmail and 10c Motorcycle Messenger Special Delivery Reverse Illustrated corner card Carvel Hall showing anchor. Anne Arundel county. MD321203 $10.00
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 Baltimore Baltimore c1875 circular grid 3c Washington Banknote Printed Advertising Pitts, Graham & Co. Wholesale Grocers Liquors, Tobacco and Segars. Baltimore City county. MD!750511 $10.00
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 Baltimore Baltimore c1875 cork killer 3c Washington Banknote Printed Advertising Samuel M. Webb & Bro. Wholesale Importers & Dealers in Cigars, and Smokers' Articles. Baltimore City county. MD!750920 $15.00
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 Baltimore Baltimore 1891 numeral duplex Illustrated Advertising New York Life Insurance Company Small water stain at left and part of back flap missing. Baltimore City county. MD!910331 $15.00
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 Baltimore Baltimore 1891 numeral duplex Obverse Red and Black Illustrated Advertising Reverse Printed Advertising New York Life Insurance Company Small opening tears at top and some edge wear. Baltimore City county. MD!910423 $20.00
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 Baltimore Baltimore, Md. 1892 International Machine Type B11(1) Advertising corner card Wm. B. Tilghman & Co. Commission Merchants Tear at right. Baltimore City county. MD!921021 $10.00
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 Baltimore Baltimore, Md. 1899 Barry Machine Type H2-9(2) Illustrated Advertising American Surety Company Bit reduced at right. Baltimore City county. MD!991126 $15.00
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 Baltimore Baltimore 1904 machine Elaborate corner card Ellis & Bonsack Commission Merchants. Baltimore City county. MD040114 $10.00
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 Baltimore Baltimore 1904 machine Illustrated Advertising Hotel Rennert Small crease at bottom left and some edge wear. Baltimore City county. MD041012 $10.00
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 Baltimore Baltimore 1905 machine Postal Card Reverse Illustrated Advertising The John Hoplins University of Baltimore Small creases at top left and bottom right. Baltimore City county. MD050309 $10.00
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 Baltimore Baltimore 1906 machine Illustrated Advertising Fidelity and Deposit Company. Baltimore City county. MD060920 $10.00
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 Baltimore Baltimore 1907 machine Obverse and reverse Illustrated Advertising Bank Depositors' insurance Company showing anchor Nick at top left. Baltimore City county. MD070808 $10.00
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 Baltimore Baltimore 1910 machine Red and Blue Illustrated Advertising Davis & Davis Commission All Farm Produce, Live Stock, Etc. Crease. Baltimore City county. MD100103 $15.00
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 Baltimore Baltimore 1915 numeral duplex Forwarding Mark 2c Washington Franklin to Canada Illustrated Advertising Security Storage & Trust Co.. Baltimore City county. MD150709 $15.00
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 Baltimore Baltimore 1917 machine Illustrated corner card Caswell Hotel showing knight and lion crest Some wrinkles at left. Baltimore City county. MD171117 $10.00
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