Related Clues:

• Pigs
• Old pennies and policemen
• Change the law!
• The boys in blue (slang)
• They nick money
• Cents before 1982
• Receptacles for loose change?
• People who manage to keep quiet for the police
• Change at the station?
• They dress in blue - not silver
• Little money for the police?
• Change Morse and Lewis?