There's index hole on the bottom, you can see it running across. See more Stone Moulds from Terramare (Northern Italy): Analytical Approach and Experimental Rep

There's index hole on the bottom, you can see it running across. See more Stone Moulds from Terramare (Northern Italy): Analytical Approach and Experimental Reproduction Persistent Identifier https://exarc.net/ark:/88735/10145 https://exarc.net/ark:/88735/10145 Fig 11. Ophiolite multiple mould for razor and spear-head.