Mog-4151c. Wt = 13.06g. This may be from a different mint
Stevens Collection

Wt = 14.09g
Photo from Dix Noonan Webb (photo first provided by Randy Weir but this is better)

Photo from Sandeep Nijasure who wrote: Machalipatan half dam. Extremely rare coin and completely different than the normal styles of all Mughal Rulers coin. It reads Falus Alamgir and Zarb Machalipatan Bandar AH 1111.