CoinWorldTV 1836, Tunisia (Ottoman), Sultan Mahmud II. Nice Billon Silver Piastre Coin.Ruler: Mahmud II Reference: KM-90. Denomination: Piastre Mint Place: Tunis (Tunisia) Mint Year: 1836 AD (1252 AH) Condition: Weight-adjusting marks in obverse, otherwise about XF! Material: Billon Silver (silver of low purity!) Weight: 10.88gm Diameter: 32mmObverse: Mint formula above date (AH 1252).Reve ...