Watch List notes:

OTTOMAN TUNIS
Ahmed I (1012-1026ah / 1603-1617ce)

¼ sultani 1013ah (1603ce) AU 0.86g Damali 14 RRRR vf

This exceedingly rare coin (fraction) first appeared on the market in Künker's Sultan Collection, Part 3, Auction 231,
16 March 2013. The description of the lot (#9791) is most informative.