Tarjetas Estereoscópicas.
Anverso: “H.C. WHITE CO., CHICAGO, NEW YORK, LONDON. Gen’t Office and Works, North Bennington Vt., U.S.A.” (margen izquierdo), “The “PERFEC” STEREOGRAPH. (Trade Mark.) Patented April 14, 1903. Other Patents Pending” (margen derecho), "(58) 11124 Calle Mayor during the week of the Royal Wedding. Madrid. Spain. Copyright 1907 by H.C. White Co." (margen inferior).