The Oldest Mail Box in Spain

According to the information in the site of Correos (Spanish postal service), this stamp issued in March 2001 features the oldest mail box in Spain. It is located in a house in Mayorga (province of Valladolid). There is an inscription on the mail box: "Coreo / Ano de / MDCCXCIII" ('Mail / Year / 1793). The first reference to mail boxes in Spanish laws dates from 1762.