Portugal 1989 100 escudos KM-648
This specimen was lot 31153 in Heritage auction 3096 (Dallas, TX, March 2021), where it sold for $1,500. The catalog description[1] noted, "Portugal: Republic gold Proof "Discovery of the Azores" 100 Escudos 1989-INCM PR69 Ultra Cameo NGC. The watery fields support a frosted sailing vessel on this commemorative issue celebrating the 550th anniversary of Portugal's discovery and settlement of the Azores. From the Paramount Collection." This is one of many NCLT's issued to celebrate the glories of Portugal's past. It was issued in copper-nickel, silver and gold.
Recorded mintage: 2,000,000 in copper-nickel, 20,000 in silver (plus 50,000 silver proofs) and 5,495 in gold.
Specification: KM 648: copper-nickel, 34 mm diameter; KM 648a: 21 g, 0.925 fine silver; KM 648b: 24 g, 0.916 fine gold, AGW 0.7075 oz.
Catalog reference: copper-nickel: KM 648, silver: KM 648a, gold: KM 648b, Fr-164.
- Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 9th ed., Clifton, NJ: Coin and Currency Institute, 2017.
- Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
- Reis, Lina, Anuário de Numismática, Moedas e notas 2010, 31ª ediçao, Lisbon: Publinummis, Lda, 2009.
- Alberto Gomes and Francisco Antonio Magro, Moedas Portuguesas e do Território Que Hoje é Portugal: Catálogo das Moedas Cunhadas para o Continentes e Ilhas Adjacentes, para os Territórios do Ultramar e Grão-Mestres Portugueses da Ordem de Malta, 6ª Edição, Lisbon: Associação Numismática de Portugal, 2013.
- [1]Cristiano Bierrenbach, Warren Tucker and Sam Spiegel, The Paramount Collection World & Ancient Coins: Signature Auction 3096, Dallas, TX: Heritage Auction Galleries, 2021.
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