Crown above crossed axe and hammer with star below | CPO Artisan | 1. CPO Artisan2. Crown above crossed axe and hammer with star below - Ship Mechanic 1st class RNR 3. Crown above crossed axe and hammer with star below - Marine Engineering Artificer (Hull) 1st class RNR 4. Crown above - Chief Shipwright 5. Crown above - CPO Artisan 6. Crown above - Artisan 1st, 2nd or 3rd class 7. Crown above - Ship Mechanic 2nd class RNR 8. Crown above - Marine Engineering Artificer (Hull) 2nd class RNR 9. Star above - Skilled Shipwright 10. Star above - Blacksmith, Plumber, Painter all 1st class; Chief Carpenter's Mate and Carpenters Mate 11. Star above - Armament Mechanic RNAS 12. Star above - Cooper, Joiner, Shipwright 1st or 2nd class 13. Star above - Chief Shipwright 14. Star above - Chief Blacksmith, Chief Plumber, Chief Painter, Chief Cooper 15. Star above - Chief Joiner 16. Star above -All Artisans 1st, 2nd or 3rd class 17. (waa) All other Artificers (but not ERA's) 18. (waa) All other Artisans 19. (waa) Ship Mechanic acting 2nd and 3rd class RNR 20. (waa) Marine Engineering Artificers (Hull) acting 2nd and 3rd class RNR | 1951-1968 1968-1970 1970- 1932-1948 1948-1951 1948-1968 1968-1970 1970- 1890-1919 1890-1924 1916-1918 1919-1924 1919-1932 1919-1948 1924-1948 1924-1968 1890-1913 1913-1968 1968-1970 1970- |