Watch List notes:

ABBASID: al-Mansur, 754-775, AV dinar (4.22g), NM, AH139, A-212, with triplet of dots below reverse field, bold EF, R. The triplet of the dots may represent the actual mint of production, perhaps al-Hashimiya, which replaced Dimashq as the western mint for silver dirhams of 138-139 (and a few later).

Estimate: 700-800 USD