Watch List notes:

CHITTAGONG: "The four caliphs", mid-1550s, AR tanka (9.33g), NM, ND, G-B1007, Mitch-LW.286 (this piece). De-8 (this piece), in the names of the four Rashidun caliphs, each name preceded by the title Shah (!), a few scratches, VF, RRR. An important issue by undetermined chiefs at Chittagong, always undated. This was the only specimen known to Deyell.

Estimate: 350- 450 USD