The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Dulwich Picture Gallery. Mrs. Siddons as the Tragic Muse. Sir Joshua Reynolds
Postcard. Mrs. Siddons as the Tragic Muse. Dulwich Gallery
Dulwich College Gallery 318. Mrs. Siddons as the Tragic Muse. Reynolds. RP
London. The national Gallery. Mrs. Siddons. Thomas Gainsborough. Masterpiece. The Art Auction Game
London. National Gallery. Mrs. Siddons. T. Gainsborough. The Wrench Series. No. 833
Mrs. Siddons as the Tragic Muse. Oxford University Press. 1927
National Gallery. Mrs. Siddons. Gainsborough. Thomas. Card No. 1053