[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 Chalcedony core tablet. Retaining small patch of abraded and chattermarked cortex on side - **Kind:** artefact --- Source: [https://indike.org/pramana/inp.artefact.bm.car-12-9](https://indike.org/pramana/inp.artefact.bm.car-12-9) · Pramāṇa