Thailand
Rama IX gold "25th Year of Reign" 800 Baht BE 2514 (1971) MS67 NGC, KM-Y94. AGW 0.5787 oz.
https://coins.ha.com/itm/thailand/thailand-rama-ix-gold-25th-year-of-reign-800-baht-be-2514-1971-ms67-ngc-/a/3088-35194.s?type=CoinArchives3088
HID02906262019
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Estimate: 1000-1200 USD