AJMAN: Rashid Bin Hamad al-Naimi, 1928-1981, AR 5 riyals, 1969/AH1389, KM-E3, Essai issue for KM-3.1 marked "ASSAY" in reverse field, NGC graded Proof 65 Ultra Cameo, S. The label on this NGC slab states the metal content as "Silvered Brass." Whether this is different than other Essais of this type is unknown to us.
Estimate: USD 400 - 600