The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Andrea Mantegna c. 1431 1506. Triumphs of Caesar I. Trumpeters probably 1490s. Andrea Mantegna. Royal Academy of Arts. 1992. Beacon Press
Musee du Louvre. 251. Andrea Mantegna. 1431 1506. Parnaso. Lapina
251. Andrea Mantegna. 1431 1506. Parnassus. Parnasso. Musee du Louvre. Lapina
The Triumphs od Caesar. II The Triumphal Carts. Andrea Mantegna. Royal Collection. St. James Palace. Her Majesty The Queen. The Beacon Press
The Triumphs of Caesar I The Trumpeters. Andrea Mantegna. The Beacon Press
Verona. Angels. Detail of the Triptych. Andrea Mantegna. F. lli Alinari. I. D. E. A. RP
Milano. R. Pinacoteca di Brera. Il Cristo Morto. Arti Grafiche. Andrea Mantegna
The National Gallery. The Agony in the Garden. Andrea Mantegna