During the early part of this year (1928) Mr. Maurice Sainty, son of Mr. J. E. Sainty of Norwich, found lying upon the upper portion of the beach at Sidestrand, Norfolk, the Acheulean hand-axe here described (fig. 1). The specimen, of which one edge is twisted, while the other exhibits a zig-zag outline, is coloured a rich tawny brown, and shows upon its surfaces cherty patches which have resisted patination and staining. The implement cannot have been long upon the beach before being found, as it does not exhibit any marked signs of rolling such as are prevalent upon stones subjected to wave-action.