The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. The Tate Gallery. P. P. and P. Co. Postcard. 1907
Postcard. The Milkmaid. Tate Gallery. Birket Forest. Rotary. 1909
Postcard. The Tate Gallery. London. Lion. Roland Federn. No 2869
Postcard. Tate Gallery. The Order of Release. Sir John Millais. G. D. and D. L. The Star
London. Tate Gallery. The Maid and the Magpie by Sir E. Landseer. The Wrench Series. No. 851
Tate Gallery. The Maid and the Magpie. Sir Edwin Landseer. D. and D. G. PM. Ryde. 1907
London County Council. Reward Card. A River Scene. F. R. Lee R. A. and T. S. Cooper. Tate Gallery. Postcard
Tuck. Tate Gallery Postcard No. 1337