To mark the 350th anniversary of the foundation of the Royal Observatory, Greenwich, Royal Mail have released a special commemorative issue. The prestige stamp booklet comprises sixteen stamps - all six from the stamp issue (with two repeated), the four from the miniature sheet and four barcoded Definitives arranged with one label - four panes in total.
Cover 4 in the Gold 500 set focuses on Sir Christopher Wren who designed The Royal Observatory. The cover features an image of him framed by a 22ct gold-blocked design and bears a London SE10 hanstamp. Numbered limited edition of 500.