Diamond, Alfred | Kenworthy, Waldo V.
Types of the 2c and 3c Washington Series of 1912-21 Distinguishing the types of the 2c and 3c Washington Series of 1912-21 - 1960
United States | 1912-1921 | Definitive Issues | Errors and Varieties | 20th Century | Production
Types of the 2c and 3c Washington Series of 1912-21 Distinguishing the types of the 2c and 3c Washington Series of 1912-21 - 1960
United States | 1912-1921 | Definitive Issues | Errors and Varieties | 20th Century | Production