NZD1.00529FAU001: a prehistoric hammer axe made from antler horn. This is one of a number of ancient tools, found in the precursor to the Amstel, that date from long before Amsterdam existed. Dated: late Stone Age to Iron Age (ca. 2800 – 12 BC.). Dimensions: 121 x 63 mm. Location: Nieuwebrug, Damrak. © Department of Monuments and Archaeology, municipality of Amsterdam, Harold Strak & Willem van Zoetendaal