This dial is not in a very good shape. In the upper left corner I can discern an 18?1.

One can see hour and halfhour lines starting at 5 am to probably 2 pm. One can only discern the 5.

The seems to have been a motto at the bottom, but it is now unreadable.

The dial reminds of the designs of Zarbula: trompe l’oeil setting, gnomon in a sun and below it a moon. Also the colouring seems to remind of him.