Tarjetas Estereoscópicas.
Anverso: "Underwood & Underwood, Publishers. New York. London. Toronto-Canada. Ottawa-Kansas". "Works and Studios - Arlington N.J. Litteton N.H. Washington D.C."(margen derecho), "(2) Plaza Mayor-where heretics were burned during the Inquisition - and Royal Palace, west from Santa Cruz Church, Madrid, Spain. Copyright 1902 by Underwood & Underwood".
Reverso: "(2) Plaza Mayor-where heretics were burned during the Inquisition - and Royal Palace, west from Santa Cruz Church, Madrid, Spain. " en seis idiomas, "IN 2001/38/61".