Watch List notes:

India, Sultans of Delhi, Muhammad bin Tughluq (AH 725-752 / 1325-1351 AD), gold Tanka, Sultanpur, AH 729, al-wathiq bi-ta'yid al-rahman muhammad shah al-sultan, rev. mint and date, ashhad an la illah illa allah wa ashhad an muhammad 'abduhu wa rasuluhu, 12.89g (GG D333). Extremely fine.
(£400-500)