*See below!
[Above: Envelope front. Note the Spanish censorship tape on the edge of the envelope, it says 'Censura Gubernativa' (Government Censorship). It is stamped 'Franc de port' (Free Port).]
[Above: Envelope reverse. There is a Madrid stamp stating when it arrived and we can see the other side of the censor tape saying 'Madrid'. Spain had many different censor tapes based on their location.]