Blank greetings card with envelope featuring:

'The Holy Alliance Unmasked' (Alexander I, Tsar of Russia; Napoléon Bonaparte; Francis I, Emperor of Austria; Louis Antoine de Bourbon, duc d'Angoulême; Arthur Wellesley, 1st Duke of Wellington) NPG D48682

© National Portrait Gallery, London

by Edward Purcell, published by Joseph Dickinson

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.