Silver tanka of Jalal ud-Din Muhammad Shah (818-836 AH/1415-1432 AD), Firuzabad

Description

Al-Sultan Jalal ibn / al-dunya wa'l din abu'l muzaffar/ mohammed shah / al-sultan in 4 lines, wutgub a quadrilobe  / Nasir amir al-muminin ghawth al-Islam wa'l muslimin within a square, mint and date in margins. Probably mint of Firuzabad, date off-flan. 28mm, 10.8 grams.  "The coins of Indian Sultanates" #B306 var (slightly different inscriptions and overall design).
This variety seems to be unlisted.
On Oct 26, 2022 at 08:39:47 PDT, seller added the following information: