Coat of arms of the City of London 13th-century seal, and on two embroidered seal-bags of 1319, that depicted St Paul holding a sword. It is sometimes said that the sword in the 1381 arms represents the dagger used by Lord Mayor of London William Walworth to kill Wat Tyler, leader of the Peasants' Revolt, on 15 June 1381. This tradition dates at least as far back as the first edition of "Holinshed's Chronicles", published in 1577, but cannot be correct, as the arms were in use some months before Tyler's death. The crest and supporters came into use in the 17th century, but were used without authority
Lord Mayor of London Mayor of London has worn a Royal Livery Collar of Esses. However, the collar's origins are not royal, Sir John Alleyn, thrice Lord Mayor, having bequeathed it to the next Lord Mayor and his successors "to use and occupie yerely at and uppon principall and festivall dayes." It was enlarged in 1567, and in its present shape has 28 Esses (the Lancastrian ‘S’), Tudor roses and the tasselled knots of the Garter (alternating) and also the Portcullis, from which hangs the Mayoral Jewel. The collar is worn over whatever the Lord Mayor may be wearing, secured onto their underdress or