The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Catacombe of St. Callistus. The St. Cecilia of Maderno in Crypt of St. Cecilia
Abbaye des Catacombes. Avenue Pie IX. L. Salomone. Roma
Finchley. Avenue House. The Stable Block. The Finchley Society
Plan of the Catacombs of S. Callistus. Caemeterii S. Callisti cum areis adiacentibus
Plan of the Catacombs of S. Callistus
Roma. Pontificia Commissione di Archelogia Sacra. Via Napoleone III. 1. St. Callistus Catacombs Symbols. Alterocca Terni
Catacombe di S. Callisto. St. Callistus Catacombs. Symbols. Pontificia Commissione di Archeologia Sacra
Catacombe di S. Callisto. The Sacrifice of Isaac. 3 rd century. Alterocca Terni. Pontificia Commissione di Archeologia Sacra
