Watch List notes:

Gujarat Sultanate, Shams ud-din Muzaffar Shah I (AH 810-813/1407-1411 AD), Silver Tanka, AH 810, Obv: Arabic legend "Shams ud-dunya wa'l din Muzaffar Shah al-sultan", Rev: Arabic legend "Na'ib amir al-muminin khulidat khilafatahu', with complete Hijri year 810, 10.9g, 22.65mm, (Variant of G&G # G1, date unlisted for the type), a complete legend on both sides, test marks, about extremely fine, Extremely Rare.

Note: Unlisted date for this ruler in the book The Coins of Indian Sultanates by Goron and Goenka.