Ethiopia
People's Democratic Republic silver Proof Piefort "Year of the Child" 20 Birr EE 1972 (1980) PR69 Ultra Cameo NGC, London mint, KM-P1. Mintage: 39.
https://coins.ha.com/itm/ethiopia/ethiopia-people-s-democratic-republic-silver-proof-piefort-year-of-the-child-20-birr-ee-1972-1980-pr69-ultra-came/a/3082-33692.s?type=CoinArchives3082
HID02906262019
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Estimate: 1000-1500 USD