Watch List notes:

THAILAND: SINGGORA: tin bia (13.15g), ND (late 19th century), Prid-207, in Chinese, sung ch'eng tung pao (Singgora currency) // negri singgura in Jawi and song khla in Thai, without the usual casting flaws, a please example for type, Fine to VF, ex Shèngbidébao Collection. This type was first published in 1871 by Millies and was likely cast for a number of years creating a great number of varieties.

Estimate: 150-250 USD