| Language | Ancient South Arabian » Qatabanic » Marginal Qatabanic |
| Script | Ancient South Arabian |
| Script typology | Monumental writing |
| Text direction | Right-to-left |
| Text appearance | Recessed |
| Execution technique | Incision |
| Deposit | ʿAtaq, Museum, ATM 518 |
| Support type | Stone piece |
| Material | Stone |
| Dimensions | h. 10.5, w. 25.5 |
| Link to object record |
| Modern site | Unknown (wādī Markha) |
| Ancient site | Unknown |
| Geographical area | wādī Markha |
| Country | Yemen |
| Link to site record |