Copper-alloy, 23.63 grams, 45.36 mm. 1st-4th century AD. A finely detailed cast model duck or waterfowl with voided eye, textured upper wings and long feathers on the lower wings and back. The mount is modelled as present to the waterline and is hollow beneath. Reference: cf. duck brooch in Murawski, P. Benet's Artefacts of England and the United Kingdom, Ely, 2003 item R07-0511. Very fine condition. Provenance: from an old English collection.