[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) › Notch # Notch Retouched chert notch. The marginal retouch forming the concavity on the left edge and slightly modifying the proximal right edge interrupts the patinated surface of the flake, indicating a secondary possibly recent, origin. Patinated. - **Kind:** artefact --- Source: [https://indike.org/pramana/inp.artefact.bm.car-6-25](https://indike.org/pramana/inp.artefact.bm.car-6-25) · Pramāṇa