Battle axe.
Brief description and sketch in Waterman, D., 1957. 'Late Saxon, Viking and Early Medieval Finds from York'.
In Archaeologia vol. XCVII (p. 71-72): 'The only other axe selected for illustration (fig. 5.8), from Coppergate, bears features, notable the well marked projections above and below the socket, sufficiently distinctive of Viking workmanship and in form approximates to Wheeler's type V, dated ninth to tenth century.'