CASTLES OF SPAIN - Madrigal de las Altas Torres is a municipality located in the province of Ávila, Castile and León, Spain. For some authors, the place name is of Arab descent Madrigal. The second part of the name, "de las Altas Torres' refers almost certain to the hundred towers that lined the fence walled (XIII century), much of which still stand. From their nearness its strength depended, for the population being in the middle plain, had no natural defense.
Spain Scott #782 and #784 (22 Apr 1951) 500th Anniversary of the birth of Queen Isabella of Spain. Cover with registered cancellation and special Jaén, Spain handstamp (both with 22 Aug 1951 date). Significance of cover: Not sure, as Queen Isabella was born 22 April 1451 in Madrigal de Las Altas Torres, Spain. Clue: cachet and handstamp mentions Air Mail Spain-U.S.A.
Las Puertas del Palacio de Juan II, en Madrigal de las Altas Torres, se abrirán cinco siglos después para ver salir a un Rey de Castilla http://revcyl.com/www/index.php/cultura-y-turismo/item/4297-las-puertas-del-palacio-de-juan-ii-en-madrigal-de-las-altas-torres-se-abrir%C3%A1n-cinco-siglos-despu%C3%A9s-para-ver-salir-a-un-rey-de-castilla