[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Artefacts](https://indike.org/pramana/inp.artefact) › [The British Museum, London](https://indike.org/pramana/inp.artefact.bm) › Core # Core Single platform chalcedony core, plano-convex in cross-section. The platform extends around the entire margin. The plane face exhibits step terminated semi-invasive scars which intrude on a previous removal surface suggesting continued working after the detachment of a prepared flake. - **Kind:** artefact --- Source: [https://indike.org/pramana/inp.artefact.bm.car-19-14](https://indike.org/pramana/inp.artefact.bm.car-19-14) · Pramāṇa