Cuerpo de Ingenieros de Caminos, Canales y Puertos del Estado

Rate A - €0.75. For a “standard” letter or postcard within Spain, up to 20 g.

Rate A2 - €0.85. For a “standard” letter or postcard within Spain, between 20 g and 50 g.

Rate B - €1.65. For a “standard” Ordinary International letter or postcard addressed to Europe (including Greenland), up to 20 g.

Rate C - €1.75. For a “standard” Ordinary International letter or postcard addressed to the rest of the world (except USA, Canada, Japan, Australia and New Zealand), up to 20 g.

Rate D - €2.10. For a “standard” Ordinary International letter or postcard addressed to the USA, Canada, Japan, Australia and New Zealand, up to 20 g.