Tripura, Krishna Kishor Manikya (1830-1849 AD), Silver Tanka, 10.63g. SK 1752. Citing Queen Bidhukana, Obverse: Lion facing left, trident on back, date on three sides around lion, all within circular border of petals with three vertical lines each. Reverse: “Radha Krishna pa/de sri sri yuta Krishna/Kishor manikya/deva sri srimati Bi/dhukana maha/Devyau”, (R&B# 274), PCGS graded as AU details, Very rare.