Late 3rd-early 2nd millennium BC. A large and finely polished boat-shaped axe in dark grey stone, with expanded asymmetric convex cutting edge tapering to shouldered and collared 'hammer' butt, drilled to receive handle. See Glob, P. V., Danske Oldsager II, Yngre Stenalder, Copenhagen, 1952, no.333, for general form and no.486, for an example with collared butt; see Madsen, A. P., Antiquities Prehistoriques du Danemark, Copenhagen, 1872, pl.23, no.29, for similar form; see Christie's New York, 4 June 2015, lot 72 (US$10,000-15,000), for a group of two similar examples.545 grams, 17cm (6 3/4"). Property of an Austrian private collector since the 1970s.