Thailand
Rama IX gold "Queen Sirkit's Birthday" 600 Baht BE 2511 (1968) MS67 NGC, KM-Y90. Mintage: 45,829. AGW 0.4352 oz.
https://coins.ha.com/itm/thailand/thailand-rama-ix-gold-queen-sirkit-s-birthday-600-baht-be-2511-1968-ms67-ngc-/a/61276-98423.s?type=DA-DMC-CoinArchives-WorldCoins-61276-06262022
HID02906262019
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