BURJI MAMLUK: Tumanbay I, 1501, AV ashrafi (3.37g), NM, AH906, A-1040, unusual type, with the obverse legends differently arranged from the examples in the standard publications, date below obverse, some weakness at the edge, possibly unpublished subtype, EF, RR, ex Gamal Amer Collection, ex Morton & Eden Auction, 23-24 November 2005, Lot 462.
Estimate: 500-700 USD