The Bailiwick of Guernsey is a British Crown dependency. It is in the English Channel, off the coast of Normandy. 1. Noonday Gun, Castle Cornet 2. Castle Cornet 3. Castle Cornet Panorama. Thanks to Monica. I received this one in August 2013, sent from Saint Peter Port, the capital of Guernsey.
The stamp was not cancelled. It is part of the 2013 EUROPA The Postman’s Van series. It has a value of .66 Guernsey pound.