Tripura, Ratna Manikya (1464-1489 AD), Silver Tanka, 10.53 gms, Obv. lion facing right within circle, toothed border around, bengali legend "Sri Du rga" below the lion, Rev. ‘sri sri ra/tna mani/kya deva’ within double square and with toothed ornamental border around, R&B #34, extremely fine, extremely rare.