The United States Imperforate Issues of 1851 – 1856 and Their Importance in an Expanding Postal System
kindly submitted by Gordon Eubanks, All Rights Reserved.
The U.S. 3¢ Stamp of 1851-61, a Postal History and Use Retrospective
kindly submitted by Dr. Charles J. DiComo, All Rights Reserved.
Colors of the U.S. 5¢ 1856-61 Issue and the Problem with Scott’s
kindly submitted by Charles “Chip” Gliedman, All Rights Reserved.
One Cent Stamp of 1851-57 (30MB)
One Cent Stamp of 1851-57. Roland H. Cipolla II. 122 pages.
The U.S. 3 Cent 1857 Issue (10MB)
The U.S. 3 Cent 1857 Issue. Robert R. Hegland. 50 pages.