Boosey & Hawkes Round Stamp Sovereign Eb Soprano Cornet shepherds crook tuning On Ebay
https://www.ebay.co.uk/itm/Boosey-Hawkes-Round-Stamp-Sovereign-Eb-Soprano-Cornet-shepherds-crook-tuning/254524675303?
https://www.ebay.co.uk/itm/Boosey-Hawkes-Round-Stamp-Sovereign-Eb-Soprano-Cornet-shepherds-crook-tuning/254524675303?
