This Spain Mail Carlista stamp from 1875, with the Edifil 160 reference, is a rare find for collectors of stamps from Spain and its colonies. Its historical significance as a symbol of the Carlist movement in Spain adds to its appeal. The stamp is marked as 'used', indicating that it has been circulated and may show signs of wear, but this does not detract from its value as a unique piece of history. The stamp is a must-have for any serious stamp collector and is sure to be a prized addition to any collection.