This is a portuguese official card and is rather special because it was sent by a 22 months old baby :) Her sister, an aunt and grandma are also postcrossers. A trully postcrossing family.
The card shows Porto cathedral.
PT-173439, sent by baby Leonor.
The Porto medieval Cathedral, built in 12th and 13th centuries is one of the oldest surviving structures of the city. The Gothic cloister was built in 14th century.