An interesting pair of brass alloy and wrought iron firedogs

An interesting pair of brass alloy and wrought iron firedogs
Possibly 16th century and cast with initials 'E R' possibly referring to Elizabeth I (1533-1603)
With shaped uprights, with cast masks, a boss, and the initials 'ER', the base with divergent shaped front feet with a vacant scroll-edged shield topped by an Imperial crown flanked by the initials 'ER', being borne aloft by a pair of cherub supporters, a further small putto or cherub holding a staff above, the feet with male masks, all fixed to an iron plate with chamfered edges, iron billet bar to rear, 37cm wide x 50cm deep x 81cm high, (14 1/2in wide x 19 1/2in deep x 31 1/2in high)