Lot Essay
Sold with accompanying documents including the certificates, letters or opinions of: William Hammig, Milan, December 13, 1896; Leandro Bisiach, Milan, April 16, 1897; Gustave Bernardel, Paris, May, 29, 1897; Jean Lavello, Paris, September 17, 1951; and Emile Français, Paris, March 11, 1978, among others