This Queen Elizabeth II London International Stamp Exhibition 1960 at Royal Festival cover is a must-have for stamp collectors and enthusiasts. Featuring a 3d denomination and multi-coloured design, this cover is a unique addition to any collection. The cover is related to the International Stamp Exhibition and has the number 1, making it a valuable item for collectors. This cover is perfect for those interested in event covers, Great Britain, and stamps. It is a great way to commemorate the International Stamp Exhibition and add a unique item to your collection. Don't miss out on the opportunity to own this piece of history.