Old Masters II Signatures and Monograms Author:John Castagno John Castagno's Artists' Signatures and Monograms have become the standard reference source for galleries, museums, libraries, and collectors around the world. Old Masters II: Signatures and Monograms, An International Directory features more than 800 artists, with more than 1,100 signature examples. It provides the researcher a reference tool n... more »ot duplicated elsewhere¥one that will save many hours of research.« less