Pantheon of the Kings of León, Cripta de San Isidoro (basilica of San isidoro, León)
Date of issue: 23 June 1964
Value: 70 céntimos (inland postcards, incl. possessions, Philippines, UPAEP (not USA), Andorra, Gibraltar, Portugal, and French border zone)
Colours: green and black
Format: 33.2 x 28.8 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, Pablo Sampedro Molero
Number printed: 15,000,000
Edifil nr. 1543