Blazon: Per quarterly I and IV azure a bend of five lozenges conjoined or, II and III per pale indented or and gules, overall on a cross ermine a mitre proper
Crest: On a wreath or and azure issuant from a mural crown or charged with a Tudor rose a dexter arm embowed holding a hammer all proper
Supporters: On the dexter a figure representing Art proper vested argent wreathed with laurel vert tied by a riband gules, holding in the sinister hand resting on the shield a book bound of the last and in the dexter a palette with two brushes proper; on the sinister a figure representing Industry habited as a smith, holding in the dexter hand resting on the shield a cupel and in the sinister a hammer resting on an anvil all proper
Mantling: Azure lined or
Both coats quartered here were used by the de Bermingham family at various points in time. The family also quartered the coats, but in opposite quarters; the city changed the order for difference. The city was previously granted arms in 1889, which used a fess ermine instead of a cross, and a mural crown instead of a mitre. The supporters in the previous arms were also reversed, with Industry on the dexter and Art on the sinister.