The catalogue reports a provenance from Mārib. However, a doubt remains that the piece should rather come from a city of al-Jawf (cf. the cultural note).
Rossi, Irene 2022. The city-states of the Jawf at the dawn of Ancient South Arabian history (8th-6th centuries BCE). II. Corpus of the inscriptions. (Arabia Antica, 17/2). Roma: «L'Erma» di Bretschneider.