Inscription: (on scroll on inner border, by each figure of woman, respectively) ARITHMETICA, GEOMETRICA, PERPECTIVA, ARCHITECTVRA;
(on scroll by each amorino, respectively) INCLINATIO, DILIGENTIA
Marking:  N in circle (Nuremberg town mark 1550–1700);
 W over mask (maker's mark);
 AI in hexagonal shield (mark of Bureau of Control of Vienna for imported silver, used 1872–1901);
Location of marks: Mark  in lower corner, marks  and  in lower right corner.