Scott 1775-78 mint 15c - PA Toleware, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1775-78 mint sheet 15c (40) - PA Toleware, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1776 mint 15c - PA Toleware - Tea Caddy, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1777 mint 15c - PA Toleware - Sugar Bowl, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1778 mint 15c - PA Toleware - Coffee Pot, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1779 mint 15c - Architecture - Virginia Rotunda, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1779-82 mint 15c - Architecture, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1779-82 mint sheet 15c (48) - Architecture, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1780 mint 15c - Architecture - Baltimore Cathedral, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1781 mint 15c - Architecture - Boston State Hospital, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1782 mint 15c - Architecture - Philadelphia Exchange, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1783 mint 15c - Endangered Flora - Trillium, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1783-86 mint 15c - Endangered Flora, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1783-86 mint sheet 15c (50) - Endangered Flora, 4 varieties, attached, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1784 mint 15c - Endangered Flora - Broadbean, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1785 mint 15c - Endangered Flora - Wallflower, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1786 mint 15c - Endangered Flora - Primrose, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1787 mint 15c - Guide Dog, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1787 mint sheet 15c (50) - Guide Dog, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1788 mint 15c - Special Olympics, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1788 mint sheet 15c (50) - Special Olympics, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1789 mint 15c - John Paul Jones, perf 11 x 12, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1789 mint sheet 15c (50) - John Paul Jones, perf 11 x 12, 1979 Commemorative Stamps, representative stamp imaged.
Scott 1790 mint 15c - Summer Olympics - Javelin Thrower, 1979 Commemorative Stamps, representative stamp imaged.
