John Castagno's Artists' Signatures and Monograms have become the standard reference source for galleries, museums, libraries, and collectors around the world.

Fourteenth-century Europe was ravaged by famine, war, and, most devastatingly, the Black Plague. These widespread crises inspired a mystical religiosity, which

John Castagno's Artists' Signatures and Monograms have become the standard reference source for galleries, museums, libraries, and collectors around the world.

Influenced by a revival of interest in Greco-Roman ideals and sponsored by a newly prosperous merchant class, fifteenth-century artists produced works of astoni