An Indo-Persian shield (dhal)

An Indo-Persian shield (dhal), of gilt copper, the outer surface engraved in low relief with profuse decoration involving equestrian figures battling with serpents and other mythical beasts, all within alternating foliate and geometric borders, everted rim, four engraved bosses with multi-lobed bases, the back with quilted scarlet lining and four iron rings, diameter 54 cm (21.5 in.).