| Field | Value |
| Inventory Number | BI 778 |
| Section Number | ΕΛ 188 |
| Title | Bone Stylus |
| Category | Bone & Ivory |
| Description | Broad, flat erasing end only preserved, along with stub of shaft. |
| Context | North of Eleusinion, loose fill within building. |
| Storage | Study Collections-Case No. 4-Η |
| Negatives | Leica |
| Dimensions | P.L. 0.05; W. 0.015 |
| Date Of Discovery | 24 June 1959 |
| Section | ΕΛ |
| Grid | T 18 |
| Deposit | T 18:3 |
| Bibliography | Agora XXXI, p. 171, CPD 54A. |