1073776 THAILAND. Rama IV. (King of Siam, 1 April 1851 – 1 October 1868). (1863) AV Tot, 8 Baht. NGC MS63. Edge: Reeded. A crown flanked by two umbrellas / Elephant within chakra. KM Y-15. Please use this link to verify the NGC certification num... $12,500.00