The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The National Gallery. Master of Liesborn. Wood. Oak. The Annunciation. National Gallery Publications
The Annunciation. National Gallery. Card No. 1148. Lippi Fra Filippo
Rossetti. The Annunciation. National Gallery Post card No 1002. Waterlow and Sons. London
Filippo Lippi. The Annunciation. National Gallery. Trustees by Waterlow and Sons Ltd. London
Detail from the Annunciation. National Gallery Publications Ltd. Duccio
London. National Gallery. The Annunciation. Filippo Lippi. Misch. World Galleries. Series No. 1071. 1908
London. National Gallery. The Annunciation. Filippo Lippi. Misch. Galleries Series. No. 1071