Contact's father learned to play the instrument in the 1920's. 2981 Grand Rapids Band Instrument Company Eb tuba Instrument is both high and low pitch according to Arne Larson. Larson's date is 1916. Serial number and characteristics of construction do not jibe with York's serial number list. Bb cornet Instrument was used in a cornet band in Pennsylvania ca. 1903.
Instrument comes with additional mouthpiece extensions , slide tubes and lyre in original case.
J.W. York and Sons Grand Rapids, Mi. Main tuning slide is very long. Originally had two slides. Original receiver was quite small. 4th valve slide tubing is on the back of the upper bow.