Salamanca. Casa de las ConchasBuy wall art of this image titled: Salamanca. Casa de las Conchas, from the Vintage Photochrom Postcards Collection by Second Story Prints. Top quality print reproductions available now! Tags Mansions. Spain Salamanca. Notes Title from item. Title in Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905: "Spain. Salamanca. The Shell House." Print no. "15366. P. Z." Purchase; Detroit Publishing Company;