their green uniforms. Headgear rank marking is the same as for England and Wales. Scotland Police Scotland headwear is slightly different for the following ranks: Inspectors and chief inspectors wear a hat with a silver band instead of a black one. Superintendents and chief superintendents wear a row of oak leaves within the silver band. Assistant chief constables and deputy chief constables wear two rows of oak leaves. Territorial police forces variations City of London Police City of London Police insignia are gold where that of other forces is silver. For example, rank insignia and collar numbers on epaulettes are gold, as are the bands and oak leaves on the caps of senior officers, and officers of or above the rank of commander wear gold-on-black gorget patches on the collars of their tunics. The City of London Police also previously had variations for some acting ranks such as sergeant and inspector: acting sergeants wore their chevrons above their divisional letters (or later "CP" for all officers, following the abolition of the force's divisions), whereas substantive sergeants wear them below their collar numbers. Acting inspectors were denoted by a crown in the place of their divisional letters, whilst keeping their collar number and chevrons. The City of London Police use a different colour scheme for their police headwear. Instead of the black and white sillitoe "tartan" they use red and white. The assistant commissioner and commander wear a single row of oak leaves on their hats, and only the commissioner wears two rows. Merseyside Police Inspectors and chief inspectors in Merseyside Police wear silver instead of black lace on their hats, as did Liverpool City Police before them. Metropolitan Police The Metropolitan Police uses different ranks above chief superintendent. The fabric used in the crowns is blue, whereas other police forces use red. Although they rank as deputy chief constables, deputy assistant commissioners wear two rows of oak leaves on their hats. Isle of Man Constabulary Epaulette insignia The Isle of Man police ranks follow the structure of other British police rank structures however it is notably missing the chief superintendent and assistant chief constable ranks within their own structure. The epaulettes for the constables and sergeants also have an addition of the Isle of Man Constabulary logo and motto above their collar numbers. Headgear rank marking is the same as for England and Wales. Special constabularies insignia Special constabulary epaulettes