Stamp Survival

Stamp Survival

The problem of what quantities exist of different classic stamps has been one of the great difficulties of philatelic research. Counts of stamps such as United States 5¢ and 10¢ 1847 tend to be little more than guesses.

Plate Block Collecting

Plate Block Collecting

Plate numbers were put in the margins of United States sheets so that later the printer would know which sheets were printed from which plates so that plate wear and damage could be monitored. Collectors noticed the marginal numbers and began at first collecting single stamps with the selvage attached as an adjunct to their collection.