An ancient Neolithic gray stone axe-hammer head with a rounded butt and convex sides tapering to the sharp cutting edge, drilled through with a shaft hole.
Scandinavia.
Ca. 3500 - 1700 BC.
Length: 6 3/8 in. (16.3 cm).
Formerly in the David R. Russell collection, author of Antique Woodworking Tools, Their Craftsmanship from the Earliest Times to the Twentieth Century (2010).