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  1. Benjamin Franklin's face on the Hundred Dollar Bill
  2. Agate Studies III
  3. The First Reading of the Emancipation Proclamation Before the Cabinet
  4. Composite of 90 different species of parrots
  5. Attorney And Client, Fortitude And Impatience. Illustration From The Book Bleak House
  6. Civil War painting of Union and Confederate troops fighting at The Battle of Bull Run
  7. Gas Station 66, Wild West Painting Series
  8. The Round-Up, 1888
  9. Math Formulas On Chalkboard
  10. Be Whoo You Are
  11. Martin Luther King, Jr. (1929-1968)
  12. Fortifications Agua Nueva Agate
  13. Animal Kingdom Educational Poster
  14. Unidentified Viking scene with longship aflame
  15. A Prehistoric Mammoth Hunt
  16. Inquiry into the Loss of the Titanic: Cross sections of the ship
  17. Wild West Saloon
  18. Jabberwocky
  19. The Doctrine of Monroe
  20. Schematics, Mathematics and Geography Chart
  21. Multiphoton fluorescence image of HeLa cells
  22. Revolutionary War print showing the surrender of British troops
  23. Cave of Lascaux. (c.17000-15000 BC) Montignac, France
  24. Oregon. Close-up of Graveyard Point Plume Agate stone
  25. Pastel Periodic Table - Modern Text
  26. Serotonin neurotransmitter molecule
  27. Titanic ready for her maiden voyage, 02 April 1912
  28. University of Virginia, Charlottesville, Virginia
  29. Abstract image of stock market line chart with text
  30. Bronchial tree and lungs, artwork
  31. Conceptual image of DNA
  32. Mushroom Chart I
  33. Purple Watercolor Agate II
  34. Sioux Encampment, 1832
  35. Vintage Civil War print of General Sherman and his Generals on horseback
  36. Bodmer, Blackfoot Horseman
  37. Total Eclipses of Sun and Moon's Shadow
  38. Antique Stock Certificate II
  39. Vintage Civil War print of the Battle of Fredericksburg
  40. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  41. The Washington Family, by Edward Savage, c.1789-96
  42. The Titanic's propellers in the Thompson Graving Dock of Harland
  43. From The Original Manuscript Of Oliver Twist By Charles Dickens, Published 1896
  44. California, Summit City, Shasta Dam, Shasta Lake, with view of Mt. Shasta
  45. Vintage Civil War poster of the Battle of Missionary Ridge
  46. RMS Titanic: 1st Class Dining Saloon on D-Deck, 1912
  47. Native American Camp, 1891
  48. Rainbow Ridge Picture Agate