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Denomination Guides
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Imperforates Denomination Guide

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(various) Centenary International Philatelic Exhibition (CIPEX), sheet of 2 (#948 - 1947, Showgard 98x68 from Souvenir Sheet set)
(various) Fifth International Philatelic Exhibition (FIPEX), sheet of 2 (#1075 - 1956, Showgard 109x74 from Souvenir Sheet set)
1¢ Franklin, blue green (#314 - 1906, Showgard 25 cut 37mm) img
1¢ Franklin, green (#343 - 1908, Showgard E) img
1¢ Franklin, green (#383 - 1910, Showgard E) img
1¢ Franklin, green (#575 - 1923, Showgard E) img
1¢ National Parks, sheet of 6, green (#751 - 1934, Showgard 99x93 from Souvenir Sheet set)
1¢ Washington, green (#408 - 1912, Showgard E) img
1¢ Washington, green (#481 - 1916, Showgard E) img
1¢ Washington, green (#531 - 1919, Showgard E) img
1¢ Yosemite, green (#756 - 1935, Showgard JV) img
1½¢ Harding, yellow brown (#576 - 1925, Showgard E) img
1½¢ Harding, yellow brown (#631 - 1926, Showgard E) img
2¢ Alaska-Yukon-Pacific Exposition, carmine (#371 - 1909, Showgard 24 cut 34mm) img
2¢ Grand Canyon, red (#757 - 1935, Showgard J) img
2¢ Harding, black (#611 - 1923, Showgard E) img
2¢ Hudson-Fulton, carmine (#373 - 1909, Showgard 25 cut 39mm) img
2¢ Lincoln, carmine (#368 - 1909, Showgard E) img
2¢ Washington, carmine (#344 - 1908, Showgard E) img
2¢ Washington, carmine (#384 - 1910, Showgard E) img
2¢ Washington, carmine (#409 - 1912, Showgard E) img
2¢ Washington, carmine (#577 - Showgard E) img
2¢ Washington, carmine rose, type I (#320c - Showgard E) img
2¢ Washington, carmine, coil (#459 - 1914, Showgard E) img
2¢ Washington, carmine, type I (#320 - 1906, Showgard E) img
2¢ Washington, carmine, type I (#482 - 1916, Showgard E) img
2¢ Washington, carmine, type IV (#532 - 1920, Showgard E) img
2¢ Washington, carmine, type V (#533 - 1920, Showgard E) img
2¢ Washington, carmine, type VI (#534A - 1920, Showgard E) img
2¢ Washington, carmine, type Va (#534 - 1920, Showgard E) img
2¢ Washington, lake, type II (#320a - Showgard E) img
2¢ Washington, scarlet, type I (#320b - Showgard E) img
3¢ California Pacific International Exposition single, purple (#778b - 1936, Showgard J) img
3¢ Century of Progress horizontal gutter pair, yellow green (#767a - 1933, Showgard 55 cut 29mm) img
3¢ Century of Progress single, yellow green (#731a - 1933, Showgard E) img
3¢ Century of Progress vertical gutter pair, yellow green (#767a - 1933, Showgard 22 cut 63mm) img
3¢ Century of Progress, sheet of 25, yellow green (#731 - 1933, Showgard 135x120 from Souvenir Sheet set)
3¢ Connecticut Tercentenary single, violet (#778a - 1936, Showgard J) img
3¢ Michigan Centenary single, purple (#778c - 1936, Showgard J) img
3¢ Mothers of America, deep violet (#754 - 1935, Showgard J) img
3¢ Mount Ranier, deep violet (#758 - 1935, Showgard J) img
3¢ National Parks, sheet of 6, deep violet (#750 - 1934, Showgard 94x100 from Souvenir Sheet set)
3¢ National Stamp Exhibition, sheet of 6, dark blue (#735 - 1934, Showgard 88x93 from Souvenir Sheet set)
3¢ Texas Centennial single, purple (#778d - 1936, Showgard J) img
3¢ Third International Philatelic Exhibition (TIPEX), sheet of 4, violet (#778 - 1936, Showgard 99x67 from Souvenir Sheet set)
3¢ Washington, deep violet (#345 - 1909, Showgard E) img
3¢ Washington, violet, type I (#483 - 1917, Showgard E) img
3¢ Washington, violet, type II (#484 - Showgard E) img
3¢ Washington, violet, type IV (#535 - 1918, Showgard E) img
3¢ Wisconsin Tercentenary, deep violet (#755 - 1935, Showgard J) img
4¢ Mesa Verde, brown (#759 - 1935, Showgard J) img
4¢ Washington, orange brown (#346 - 1909, Showgard E) img
5¢ Franklin, reissue of #1, blue (#948a - 1947, Showgard E) img
5¢ Lincoln, blue (#315 - 1906, Showgard E) img
5¢ Sixth International Philatelic Exhibition (SIPEX) (#1311 - 1966, Showgard 108x74 from Souvenir Sheet set)
5¢ Washington, blue (#347 - 1909, Showgard 27 cut 30mm) img
5¢ Yellowstone, blue (#760 - 1935, Showgard JV) img
6¢ Crater Lake, dark blue (#761 - 1935, Showgard J) img
7¢ Acadia, black (#762 - 1935, Showgard J) img
8¢ Zion, sage green (#763 - 1935, Showgard JV) img
9¢ Glacier, red orange (#764 - 1935, Showgard J) img
10¢ Smoky Mountain, gray black (#765 - 1935, Showgard JV) img
10¢ Society of Philatelic Americans Convention, sheet of 1, blue green (#797 - 1937, Showgard 67x79 from Souvenir Sheet set)
10¢ Washington, reissue of #2, brown orange (#948b - 1947, Showgard E) img
16¢ Airmail Special Delivery, dark blue (#771 - 1935, Showgard J) img
25¢ 20th Universal Postal Congress - Biplane, single from sheet (#2438c - 1989, Showgard S) img
25¢ 20th Universal Postal Congress - Depot-hack Automobile, single from sheet (#2438d - 1989, Showgard S) img
25¢ 20th Universal Postal Congress - Paddlewheel Steamer, single from sheet (#2438b - 1989, Showgard S) img
25¢ 20th Universal Postal Congress - Stagecoach, single from sheet (#2438a - 1989, Showgard S) img
25¢ World Stamp Expo '89 single, blue & brown (#2433b - 1989, Showgard S) img
25¢ World Stamp Expo '89 single, carmine & black (#2433a - 1989, Showgard S) img
25¢ World Stamp Expo '89 single, green & blue (#2433c - 1989, Showgard S) img
25¢ World Stamp Expo '89 single, scarlet & blue (#2433d - 1989, Showgard S) img