Marine Engineer Mechanical Chief Petty Officer Royal Navy Badge

Royal Navy Marine Engineer Mechanical Qualification Badge for the rank of Chief Petty Officer.
This white machine embroidered RN badge features an embroidered navy propeller with three flashes and the letters 'ML' below a crown.

This badge is typically worn on the right-hand shoulder of a Royal Navy uniform. Specialist badges are worn on the sleeves with insignia representing each branch or specialisation.

Have you also seen the King's Crown version here