Mexico
Republic gold 20 Pesos 1920/10 MS65 NGC, Mexico City mint, KM478. Gem Uncirculated with unusually attractive surfaces - as expected for the designation - for this usually heavily bagmarked issue. A popular type featuring the Aztec calendar, conditionally very rare in this superb quality with no finer coins of the date currently certified at NGC.
Estimate: 1500-2000 USD