First edition limited to 975 copies plus 6 special ones with rubricated initials (of which this copy is not thus). Initials, headbands and title page designed by Bruce Rogers. A "B.R. Incunabula." (Warde No. 4). Paper limp boards are chipped with loss to the front and rear boards. Printed on Michallet paper. Considers the art collecting of American businessman William Thompson Walters (1820-1894), whose efforts helped create the Walters Art Museum in Baltimore.