Tripura, Ratna Manikya, citing Queen Lakshmi(1464-1489 AD), Silver Tanka, SE 1389, Obv. Sri Lakshmi/ maha devi/ Sri Sri Ratna/ Manikya, within octagon, Rev. Parvati Pa/ramesvara Cha/rana parah/ 1389, R&B #T6, Graded by NGC as AU55, exceedingly rare. Note: Above Silver Tanka of Ratna Manikya citing Queen Lakshmi is being offered for the very first time in any Indian auction. An exceptional rarity, with only two known specimens recorded till date, making it a pivotal acquisition for dedicated collectors of North East’s Coinage