Catalog

Coins

Browse 14 matching coins.

Country Australia (8) United Kingdom (5) Republic of Congo (1)

Series Science Explained Sovereign Silverback Gorilla Koala Swan American Eagle (320) Lunar (105) Kangaroo (65) Maple Leaf (59) American Buffalo (43)

Type Numismatic (3) Semi-Numismatic (2) Bullion (1)

Grade Brilliant Uncirculated (7) Proof (5) Mint State (1) Ungraded (1)

Year 2019 2014 1990 2022 2026 (34) 2025 (7) 2024 (7) 2023 (4) 2021 (3) 2020 (3) 2018 (5) 2017 (1)

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

IRA IRA Eligible (9)

14 coins · showing 1–14

Active Science Explained Sovereign Silverback Gorilla Koala Swan 2019 2014 1990 2022 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

2022 Alderney Gold Sovereign Elizabeth II Four Graces PF-70 NGC

2022 · 0.2354 troy oz · .9167 fine

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Gold

2022 Great Britain Gold Sovereign Elizabeth II PF-70 UCAM NGC

2022 · 0.2355 troy oz · .917 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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Silver

2014 AUS 5 oz Silver Koala NGC PF-70 UC HR (holder abrasions)

2014 · 5.0000 troy oz · .999 fine

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Gold

2022 Great Britain Gold Memorial Sovereign BU (King Charles III)

2022 · 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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Gold

2019 Great Britain Gold Double Sovereign Proof (Piedfort)

2019 · 0.4708 troy oz · .9167 fine

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Silver

2014 Australia 1 oz Silver Megafauna Diprotodon Proof

2014 · 1.0000 troy oz · .999 fine

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Gold

2014 Great Britain Gold Sovereign BU

2014 · 0.2354 troy oz · .9167 fine

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Silver

2014 Australia 1/2 oz Silver Koala BU

2014 · 0.5000 troy oz · .999 fine

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Silver

2014 Australia 1 oz Silver Koala BU

2014 · 1.0000 troy oz · .999 fine

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Silver

2014 Australia 1 kilo Silver Koala BU

2014 · 32.1500 troy oz · .999 fine

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Platinum

1990 Australia 1/20 oz Platinum Koala BU

1990 · 0.0500 troy oz · .9995 fine

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