https://www.recoverycurios.com/mk-v-spitfire-db-z-r6897-merlin-iii-exhaust-valve-recovered-from-wwii-crash-site
Mk V SPITFIRE DB-Z R6897 MERLIN III EXHAUST VALVE RECOVERED FROM WWII CRASH SITE | Recovery Curios
This extremely rare Supermarine Spitfire crash relic, original Merlin III Engine Exhaust Valve salvaged from crashed, Battle of Britain Mk V Spitfire - DB-Z...