Ethiopia
People's Democratic Republic 3-Piece Certified gold & silver Birr Proof Set EE 1970 (1977) NGC,
1) "Bearded Vulture" 10 Birr - PR69 Ultra Cameo, KM61a
2) "Mountain Nyala" 25 Birr - PR68 Ultra Cameo, KM62a
3) gold "Walia Ibex" 600 Birr - PR69 Ultra Cameo, KM63
A pristine and virtually flawless set, essentially unhandled since production. Under 4,000 of each of the 10 Birr and the 25 Birr were minted in Proof, with the mintage of the Proof 600 Birr much lower, at only 160 examples.
https://coins.ha.com/itm/ethiopia/ethiopia-people-s-democratic-republic-3-piece-certified-gold-and-silver-birr-proof-set-ee-1970-1977-ngc-/a/3076-31418.s?type=CoinArchives3076
HID02906262019
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Estimate: 3000-4000 USD