Calle de Alcalá, 52, 28014 Madrid, Spain/ 3491.5328.515/ www.ansorena.com
Ansorena begins its story in 1845, when Celestino Ansorena decides to open his jeweller’s workshop in Madrid. Very soon, he is consecrated as one of the most important jewellers of the age and in 1860. Ansorena has a valuation and expert assessment service for paintings, jewellery and works of art.
Duran Sala de Arte y Subastas
Calle Goya, 19, Primera Planta, 28001 Madrid, Spain/ 3491.577.6091/ www.duran-subastas.es
Founded in 1969, Durán Arte y Subastas is the oldest and most prestigious auction house in Spain. In its almost fifty years of history has focused on offering collectors around the world the most desired art objects. Important pieces of archeology, ancient painting and sculpture, nineteenth-century and contemporary art, clocks and jewels, books and manuscripts, wines, decorative arts and ethnography have been included in their catalogs, thus contributing to the development of large collections of reference.