| Denomination: | silver tanka | Date: | 686 | Mint: | Lakhnauti |
| Catalog No: | R 145 Goron B84 | Rarity: | very rare | |
| Era: | AH | Other Dates: | ||
| Weight: | 10.8 g | Western Date: | ||
| Measurement: | Material: | silver | ||
| Obverse: | al-sultan al-a'zam jalal al-dunya wa'l din abu'l muzaffar mahmud al-sultan bin al-sultan | Reverse: | al-imam al-musta'sim amir al-mu'minin struck from the land-tax of Bang (East Bengal) | |
| Coin Courtesy: | Stan Goron | Scan Courtesy: | Stan Goron |