Title: Valve Trumpet in F
Object type: Valve Trumpet in F
Date: 1881–85
Culture: French
Artist:  Courtois & Mille 
Artist bio: French
Artist nationality: French
Artist role: Maker
Medium: Brass, silver-plated
Dimensions: Width: 20 1/2 in. (52 cm)
Diameter (Of bell): 4 15/16 in. (12.5 cm)
Classification: Aerophone-Lip Vibrated-trumpet / trombone
Credit line: Purchase, Bequest of Robert Alonzo Lehman, by exchange, 2001
Geography:  Paris   France      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY