The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Kings Chapel and University Library. Cambridge. Pelham
Kings Chapel and University Library. Cambridge. Boots Pelham Series
Cambridge. University Library and King College Chapel. Tuck. Rapholette. 8013
Cambridge University Library. Catalogue Room
Cambridge University Library. Reading Room I
University Library. Cambridge. Codex Bezae
University Library Cambridge. Thomas Leach