The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Heidelberg. The Holy Ghost Church and the Castle. Popp
Church of the Holy Ghost. Heidelberg
Heidelberg. Church of the Holy Ghost. Edmund Von Konig
Heidelberg. Church of the Holy Ghost. Gartner Heidelberg. Nr. 724
Heidelberg. Church of the Holy Ghost. F. Gartner
Heidelberg. Holy Ghost Church and Castle. Popp. FF 214
Heidelberg. Church of Holy Ghost. Popp