The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Bodleian Library. Oxford. The Great Gate. Entrance to the Old Schools Quadrangle. under the Tower of Five Orders. Woodmansterne Publications Ltd. John Ward
Oxford. Bodleian Library. Schools Quadrangle. Thomas Photos
Oxford. Bodleian Library Schools Tower. F. Frith. No. 57370
Oxford. Bodleian Library Schools Tower. F. Frith. No. 57370. 1923
Oxford. Bodleian Library School Tower. F. Frith. Reigate. No. 57370
Oxford. Bodleian Library and Schools. Tower. Frith. No 57379. 1944
Oxford. Bodleian Library and Schools. Tower. F. Frith. No. 57370