Japan
Akihito gold Proof 10000 Yen Year 11 (1999) PR69 Ultra Cameo NGC, KM-Y124. Struck to commemorate the 10th anniversary of Emperor Akihito's accession to the throne. AGW 0.643 oz.
https://coins.ha.com/itm/japan/japan-akihito-gold-proof-10000-yen-year-11-1999-pr69-ultra-cameo-ngc-/a/3088-34992.s?type=CoinArchives3088
HID02906262019
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Estimate: 1000-1200 USD