Cathedral, León
Date of issue: 26 October 1964
Value: 50 céntimos (supplement for airmail letters and postcards to Gibraltar, Portugal (excl. Azores), and Morocco for 5 grammes; supplement for each additional 20 grammes for inland letters and letters to possessions, Philippines, UPAEP (not USA), Andorra, Gibraltar, Portugal, and French border zone above 100 grammes)
Colours: black, grey, and blue
Format: 28.8 x 33.2 mm.
Perforation gauge: 13¼
Printer: F.N.M.T. (Fábrica Nacional de Moneda y Timbre)
Printing process: intaglio
Engravers: Daniel Carande Boto, Germán Martín Orbe
Number printed: 15,000,000
Edifil nr. 1542