The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
National Gallery. Trafalgar Square. National. 1912
National Gallery. Trafalgar Square. London. National. 1919
National Gallery Trafalgar Square. London. National
The National Gallery and Sainsbury Wing from Trafalgar Square. National Gallery Publications Ltd. Phil Starling
National Gallery. Trafalgar Square. London. M. and L. National
National Gallery Trafalgar Square London. ET. 3731. Valentine and Sons
London. Trafalgar Square. National Gallery. Trustees. Printed in Scotland. Pitkin Pictorial Postcards
National Gallery. Trafalgar Square. London. Valentine. No 58391
