Related Clues:

• As Turing deciphered Enigma, initially used to identify someone
• Uncontrollable urge isn't a mark of identification
• Personal mark
• Tune that can make a singer's name
• Endorsement for Sicilian leaders' good temperament
• (In music) the sharps or flats that follow the clef and indicate the key
• Identifying script
• One's name in one's own writing
• It's found at the bottom of many works of art
• Is over Midge Ure's autograph!
• Indication of key
• US soldiers upheld Constitution — that’s distinctive
• Bottom line contents, often
• Back soldiers with the wild distinctive mark
• Certain to include bizarre giant identifying mark