Travancore, Copper Thirai Cash, 0.99g, Obv: A Person with folded hands and wearing tricone hat. Rev: Ship. B Sarasan 440.1. A Thira Cash of Travancore, with a ship on the reverse and depection of a person with uniform with a tricone hat that was part of military and naval uniforms of the 18th century, gains historical significance against the above the backdrop, this is likely to have been issued to commemorate the defeat of the Dutch Marines at Colachal which had far reaching impact, it was an event of such import that a victory pillar has been erected at colachal to commemorate this event. About Extremely Fine, Extremely Rare. View Lot Details