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![](art/px_trans.gif) Streetcars Pittsburg St. R.P.O. Pa. Trip 6 1899 PI-2-a Postal Stationery Envelope Illustrated corner card Park Steel Company showing 'Trademark' in diamond logo Opening tear at right. Allegheny county. SR!990523 $20.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 2 1902 PI-2-c 2c Washington First Bureau PPC to Belgium. Allegheny county. SR020303 $35.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 4 1902 PI-2-c Postal Card. Allegheny county. SR020516 $15.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 2 1902 PI-2-c Small tear at top. Allegheny county. SR020610 $15.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 6 1902 PI-2-c Edge wear. Allegheny county. SR021017 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 3 1903 PI-2-c PPC (The Solo Curve, Fifth Avenue). Allegheny county. SR030209 $15.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 7 1904 PI-2-c. Allegheny county. SR040607 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 4 1905 PI-2-c 2c Louisiana Purchase PC. Allegheny county. SR050124 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 6 1906 PI-2-c PC. Allegheny county. SR060320 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 3 1906 PI-2-c Postal Card. Allegheny county. SR060625 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 5 1906 PI-2-c PC Forwarding mark. Allegheny county. SR060716 $15.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. Tr. 4 1906 PI-2-c PC. Allegheny county. SR060722 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. St. R.P.O. Tr. 7 1906 PI-2-c PPC (Pittsburg's Sky Line). Allegheny county. SR061011 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street, R.P.O. Tr. 6 1908 PI-2-e 2c Washington Shield to Germany Shortpaid so rated blue ms 10 and T N.Y. Centimes 10 opera glass Illustrated Corner card Hotel Schenley Pittsburgh showing illustration of hotel Crease. Allegheny county. SR080107 $40.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street, R.P.O. Tr. 1 1908 PI-2-e PPC (Farmers Bank Building, Pittsburgh). Allegheny county. SR080322 $20.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street Car R.P.O. Trip 3 1908 PI-2-k Flag Type American Flag Type B38 PC. Allegheny county. SR080703 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street Car R.P.O. Trip 3 1908 PI-2-k Flag Type American Flag Type B38 PC. Allegheny county. SR081212 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street Car R.P.O. Trip 7 1908 PI-2-k Flag Type American Flag Type A38 PC. Allegheny county. SR091221 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street Car R.P.O. Trip 2 1909 PI-2-i-a Flag Type American Flag Type A38 PC. Allegheny county. SR090126 $10.00
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![](art/px_trans.gif) Streetcars Pittsburg, Pa. Street Car R.P.O. Trip 6 1909 PI-2-i-a Flag Type American Flag Type A38 PC Corner crease at bottom left. Allegheny county. SR090402 $10.00
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