| 1 |
1881 1 Peso "Patacón", KM-29
First-year silver peso of the Republic series.
|
NGC MS64. Described as the sole finest graded example at the leading certification services. |
$26,400
Heritage Auctions, Aug. 27, 2025.
|
Heritage Auctions lot |
| 2 |
1884 2.5 Pesos / 1/2 Argentino, KM-30
Gold half Argentino, mintage 421.
|
NGC MS63. Indicated with no finer examples at the leading certification services. |
$12,000
Heritage Auctions, Jan. 13, 2025.
|
Heritage Auctions lot |
| 3 |
1883 1 Peso "Patacón", KM-29
Final year of the crown-sized silver peso type.
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NGC MS63. Described as "top pop" and tied with one other finest known in the NGC census. |
$8,540
Heritage Auctions, May 3, 2026.
|
Heritage Auctions lot |
| 4 |
1882 1 Peso "Patacón", KM-29
Middle year of the three-year silver peso type.
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NGC MS64. Described as "top pop" and pedigreed to Janson. |
$6,600
Sedwick & Associates, LLC Treasure Auction 39, May 8, 2026.
|
Sedwick lot |
| 5 |
1881 20 Centavos, KM-27
Key inaugural date of the three-year silver 20 centavos series.
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NGC MS64. Only two examples indicated in the NGC census, with this coin far above the AU55 counterpart. |
$5,040
Heritage Auctions, Feb. 19, 2024.
|
Heritage Auctions lot |
| 6 |
1881 50 Centavos, KM-28
First-year half-patacón silver issue, very low mintage.
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PCGS Genuine--Cleaned, Unc Details. Described as one of only a few certified examples at the leading certification services. |
$3,360
Stack's Bowers Galleries ANA sale, Aug. 2022.
|
Stack's Bowers Galleries lot |
| 7 |
1889 5 Pesos / Argentino, KM-31
Gold Argentino, scarcer late-1880s date.
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NGC MS64. Described as tied for second finest in the NGC census, behind a single MS65. |
$2,640
Sedwick & Associates, LLC Treasure Auction 38, Nov. 14, 2025.
|
Sedwick lot |
| 8 |
1881 5 Pesos / Argentino, KM-31
First-year gold Argentino and lowest mintage date of the type.
|
NGC MS62. First date and lowest mintage of the type. |
$1,800
Sedwick & Associates, LLC Treasure Auction 38, Nov. 14, 2025.
|
Sedwick lot |
| 9 |
1885 5 Pesos / Argentino, KM-31
Gold Argentino, mintage 204,000.
|
NGC MS63. Described as one of eleven at this grade with none higher. |
$1,680
Heritage Auctions, Dec. 22, 2022.
|
Heritage Auctions lot |
| 10 |
1888 5 Pesos / Argentino, KM-31
Gold Argentino, high-grade certified example.
|
PCGS MS64. One of the best certified coins of this series in a high state of preservation as of the sale date. |
$1,495
Heritage Auctions, May 1, 2012.
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Heritage Auctions lot |