[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) › Bead # Bead Barrel bead made of shell (calcite) dyed green with a copper salt. - **Kind:** artefact - **Date:** 450–499 CE --- Source: [https://indike.org/pramana/inp.artefact.bm.1880-3921-f](https://indike.org/pramana/inp.artefact.bm.1880-3921-f) · Pramāṇa