Metropolitan Police Ranks

Metropolitan Police Ranks are used in The Bill.

Here are picture of the ranks on epaulettes 

Police Constable (P.C): Sergeant (Sgt.): Inspector (Insp.): Chief Inspector (Chf. Insp):

This is a police constables epaulette

This is a sergeants epaulette

This is an inspectors epaulette.

This is a chief inspectors epaulette.

This is a superintendents epaulette.

This is a chief superintendents epaulette.

These are Commissioned Ranks (Informally known as Chief Officers)

This is a Commander's Epaulette
Commander (Cmdr.)

This is a Deputy Assistant Commissioner's Epaulette
Deputy Assistant Commissioner (D.A.C.)

This is a Assistant Commissioner's Epaulette
Assistant Commissioner (A.C.)

This is a Deputy Commissioner's Epaulette
Deputy Commissioner

This is a Commissioner's Epaulette
Commissioner

These are Civilian Staff Ranks

This is the epaulette of a
Police Community Support Officer (P.C.S.O.)

Sergeant Epaulette

This is a Met Police Sergeants Stripes

Met Police TSG Sergeant Epaulette