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 Baltimore Baltimore, Md. 1914 International Machine Type National Star Spangled Banner Centennial Baltimore Sept 1914 PC. Baltimore City county. MD140721 $10.00
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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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 Baltimore Baltimore, Md. 1918 International Machine Type Buy Now U.S. Government Bonds 3rd Liberty Loan PPC (Water Front and Skyline of Baltimore, Md.). Baltimore City county. MD180422 $10.00
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 Baltimore Baltimore 1919 machine Illustrated Advertising Hotel Rennert Creases at top, edge wear and tear at right. Baltimore City county. MD190103 $10.00
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 Baltimore Baltimore 1922 machine 2c Washington Franklin PPC (Francis Scott Key Monument and Eutaw Place Temple, Baltimore, Md.) to Germany Small crease at top left. Baltimore City county. MD221116 $10.00
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 Baltimore Baltimore 1922 machine 2c Washington Franklin PPC (Eutaw Place and Fountain, Baltimore, Md.) to Germany Small crease at top left. Baltimore City county. MD221116B $10.00
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 Baltimore Baltimore 1922 machine 2c Washington Franklin PPC (Washington Monument, Mt. Vernon Place, Baltimore, Md.) to Germany. Baltimore City county. MD221120 $10.00
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 Baltimore Baltimore 1922 machine 2c Washington Franklin PPC (Bird's Eye View of Business Centre, Baltimore, Md.) to Germany Small crease at top left and bottom right. Baltimore City county. MD221122A $10.00
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 Baltimore Baltimore 1924 machine Postal Stationery Envelope Blue Illustrated corner card The Atlantic Exchange Bank and Trust Company showing masted ship. Baltimore City county. MD241128 $10.00
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 Baltimore Baltimore 1928 machine Illustrated Advertising The Colonial showing building. Baltimore City county. MD280818 $10.00
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 Baltimore Baltimore 1930 numeral duplex Illustrated Advertising The Crusaders Continental Trust. Baltimore City county. MD301029 $10.00
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 Baltimore Baltimore 1934 numeral duplex 8c Monoplane Air Envelope. Baltimore City county. MD340128 $10.00
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 Baltimore Baltimore 1934 machine Farm Credit Administration Penalty Small crease at bottom left. Baltimore City county. MD340726 $10.00
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 Baltimore Baltimore Registry Sec. 1939 violet double ring cds 15c Buchanan Prexie on 3c Washington Circular Die Envelope Corner card James Baily & Son. Baltimore City county. MD390718 $10.00
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 Baltimore Baltimore 1940 machine 5c Monroe Prexie to England. Baltimore City county. MD400624 $10.00
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 Baltimore Baltimore 1941 machine with violet sl Returned for Additional Postage Corner card Easter Welding and Radiator Co. Small crease at bottom left and nick at top. Baltimore City county. MD410310A $10.00
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 Baltimore Baltimore 1942 numeral duplex 10c Motorcycle Messenger Special Delivery and 6c Transport Airmail. Baltimore City county. MD420523 $10.00
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 Baltimore Baltimore 1942 machine Postal Card Reverse Green Illustrated Christmas Greeting. Baltimore City county. MD421216 $10.00
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 Baltimore Soldier's Free Mail 1943 Baltimore, Md. Lettersheet to Bethlehem, Penn. Inscribed 3312th S.U. A.S.T.U. John Hopkins Univ. Baltimore City county. ML430714 $10.00
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