This magnificent cover commemorates the 150th anniversary of the completion of the re-building of the Palace of Westminster and bears the set of 6 stamps cancelled with a pictorial Union Flag Westminster, London SW1 handstamp above an image of the Palace of Westminster which has been flanked by the 1973 8p and 10p Commonwealth Parliamentary Conference commemoratives. This edition has been signed by Rory Stewart OBE, an academic, broadcaster and former politician who served as MP for Penrith and The Border between 2010 and 2019.