Boosey & Co

Serial #20055

Made in 1877

H. N. White “King”

Altonium

Serial #289657

Made in 1947

H. N. White “King”

Serial #238327

Made in 1940

Grand Rapids Band Instrument Company

Serial #115511

Production date unknown

The only markings on this horn is the word “Professional” and the serial #3224

H Campo & Cie Paris

No Serial Number

Production date unknown

These horns have no markings on them and if they once did they’ve since rubbed off.