Aerograms with mechanic franking. Type A.
Aerograms with mechanic franking. Type A.
Aerograms with mechanic franking. Type A. 1949 Madrid-Tetuan (Morocco).
Aerograms with mechanic franking. Type A.
Aerograms with mechanic franking. Type A. 1949 Madrid-New York (United States).
Aerograms with mechanic franking. Type A. 1952 Madrid-New York (United States).
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Brown series.
Aerograms with mechanic franking. Type B. Brown series.
Aerograms with mechanic franking. Type B. Brown series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Brown series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Brown series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type B. Dark gray series.
Aerograms with mechanic franking. Type C. Dark gray series. 1951 Badalona (Barcelona)-Tangier (Morocco).
Aerograms with mechanic franking. Type C. Dark gray series.
Aerograms with mechanic franking. Type C. Dark gray series.
Aerograms with mechanic franking. Type D. 1956 Madrid-Lisbon (Portugal).
Aerograms with mechanic franking. Type D.
Aerograms with mechanic franking. Type E. 1959 Lerida-Tucson (Arizona, United States).
Aerograms with mechanic franking. Type F. Green series.
Aerograms with mechanic franking. Type F. Green series.
Aerograms with mechanic franking. Type F. Green series.
Aerograms with mechanic franking. Type F. Green series. 1960 Madrid-Tucson (Arizona, United States).
Aerograms with mechanic franking. Type G. From Madrid to various destinations in the first days of circulation.
Aerograms with mechanic franking. Type K. Madrid-Weybridge (Surrey, England).
Aerograms with mechanic franking. Type K. Madrid-West Lawn (Pennsylvania).
Aerograms with mechanic franking. Type K. Without price 0.50 pts. not cataloged.
Aerograms with printed stamp. June 4. 200 years anniversary of the air balloon flight in Madrid. Print ERROR: missing print in black and red.
Aerograms with printed stamp. June 4. 200 years anniversary of the air balloon flight in Madrid. Print ERROR: missing print in black, red and yellow.
Aerograms with printed stamp. June 4. 200 years anniversary of the air balloon flight in Madrid. Print ERROR: missing print in red and black color displaced.