• 
  • Besson Sovereign Cornet & Tenor Horn / Boosey and Hawkes - Black outer sprung Valve Guide
  • £2.95
• 
  • Besson Sovereign Cornet 928 Valve Guide
  • £1.50
• 
  • Yamaha Valve Guide (Flat) - To fit Cnt / Tpt / TH / FH
  • £2.30