This 2014 Buckingham Palace 1oz silver coin cover is issued by Westminster Collection as UK First Day Covers. It marks the London residence of Britain's Sovereigns since 1837 and hosts a 1oz silver coin and Royal Mail stamps. Cancelled postmark First Day of Issue Royal Mail Talents House Edinburgh 15th April 2014.
The cover is pre-owned, comes complete with a certificate of authenticity and enjoys a limited issue of 495.