Catalog

Coins

Browse 16 matching coins.

Country Australia (12) United Kingdom (2) Republic of Congo (1) South Africa (1)

Era Modern (10) Pre-1933 (3) Mid-Century (3)

Series Science Explained Sovereign Silverback Gorilla Koala Swan American Eagle (313) Lunar (69) Saint-Gaudens (57) Libertad (51) Maple Leaf (45)

Type Semi-Numismatic (4) Numismatic (3) Bullion (1)

Grade Brilliant Uncirculated (11) Proof (3) Mint State (2)

Year 1908 1925 2007 2019 2018 1991 2026 (34) 2025 (7) 2024 (7) 2023 (4) 2022 (3) 2021 (3) 2020 (3) 2017 (1)

Weight 1/10 oz (1) 1/4 oz (5) 1/2 oz (1) 1 oz (6) 2 oz (2) 10 oz (1)

IRA IRA Eligible (11)

16 coins · showing 1–16

Active Science Explained Sovereign Silverback Gorilla Koala Swan 1908 1925 2007 2019 2018 1991 Clear all

Fair Market Value — each price is the live metal spot price plus a numismatic premium, spot updated Aug 6, 2026 04:23 UTC. It is a reference valuation, not a dealer buy or sell quote.

Gold

2019 Australia 1 oz Gold Swan MS-70 NGC

2019 · 1.0000 troy oz · .9999 fine

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Gold

2018 Australia 1 oz Gold Swan MS-70 NGC

2018 · 1.0000 troy oz · .9999 fine

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Gold

1925-SA South Africa Gold 1/2 Sovereign BU

1925 · 0.1177 troy oz · .9167 fine

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Platinum

2019 Australia 1/3 oz Platinum Humpback Whale Coin BU

2019 · 0.3300 troy oz · .9995 fine

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Gold

1908-P Australia Gold Sovereign Edward VII BU

1908 · 0.2354 troy oz · .9167 fine

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Gold

1908-S Australia Gold Sovereign Edward VII BU

1908 · 0.2354 troy oz · .9167 fine

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Silver

2019 Republic of Congo 1 oz Silver Silverback Gorilla (Prooflike)

2019 · 1.0000 troy oz · .999 fine

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Silver

2018 Australia 10 oz Silver Koala BU (Piedfort)

2018 · 10.0000 troy oz · .9999 fine

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Gold

2019 Great Britain Gold Double Sovereign Proof (Piedfort)

2019 · 0.4708 troy oz · .9167 fine

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Silver

2018 Australia 2 oz Silver Koala BU (Piedfort)

2018 · 2.0000 troy oz · .9999 fine

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Silver

2018 Australia 1 oz Silver Koala (MintDirect® Premier Single)

2018 · 1.0000 troy oz · .9999 fine

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Gold

2018 Great Britain Gold Sovereign BU

2018 · 0.2354 troy oz · .9167 fine

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Platinum

1991 Australia 2 oz Proof Platinum Koala

1991 · 2.0000 troy oz · .9995 fine

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Platinum

1991 Australia 1/4 oz Platinum Koala BU

1991 · 0.2500 troy oz · .9995 fine

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Platinum

1991 Australia 1 oz Platinum Koala BU

1991 · 1.0000 troy oz · .9995 fine

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Silver

2007 Australia 1 oz Silver Koala BU

2007 · 1.0000 troy oz · .999 fine

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