Serpent, Leopoldo Franciolini, 18th century (?),Musical Instruments
The Crosby Brown Collection of Musical Instruments, 1889
Size: Length 822 mm., Diam. of bell 120 mm., Length of mouthpiece 60 mm., Length of crook, ca. 355 mm.
Medium: Wood, leather, brass, ivory
https://www.metmuseum.org/art/collection/search/501668