Catalog

Coins

Browse 21 matching coins.

Era Modern (21)

Series Science Explained Philharmonic Silverback Gorilla Koala American Eagle (274) Lunar (66) Barber (45) Saint-Gaudens (41) Maple Leaf (31)

Type Bullion (10) Numismatic (5) Semi-Numismatic (1)

Grade Brilliant Uncirculated (14) Proof (3) Ungraded (3) Mint State (1)

Year 1908 2002 2004 2011 2012 2026 (17) 2025 (21) 2024 (25) 2023 (15) 2022 (17) 2021 (9) 2020 (10) 2019 (12)

Weight 1/10 oz (4) 1/4 oz (1) 1/2 oz (3) 1 oz (11) 10 oz+ (2)

IRA IRA Eligible (20)

21 coins · showing 1–21

Active Science Explained Philharmonic Silverback Gorilla Koala 1908 2002 2004 2011 2012 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

2012 Australia 1/25 oz Gold Koala Proof (No Box/COA)

2012 · 0.0400 troy oz · .9999 fine

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Gold

2012 Australia 1/10 oz Gold Koala Proof

2012 · 0.1000 troy oz · .9999 fine

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Gold

2012 Australia 1 oz Gold Koala Proof (High Relief, Box & COA)

2012 · 1.0000 troy oz

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Silver

2012 Australia 1 kilo Silver Koala (Light Abrasions)

2012 · 32.1500 troy oz · .999 fine

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Silver

2011 Australia 1 oz Silver Koala MS-70 NGC (First of 20,000)

2011 · 1.0000 troy oz · .999 fine

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Gold

2002 Austria 1 oz Gold Philharmonic BU

2002 · 1.0000 troy oz · .9999 fine

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Gold

2004 Austria 1 oz Gold Philharmonic BU

2004 · 1.0000 troy oz · .9999 fine

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Silver

2012 Austria 1 oz Silver Philharmonic BU

2012 · 1.0000 troy oz · .999 fine

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Gold

2012 Austria 1/10 oz Gold Philharmonic BU

2012 · 0.1000 troy oz · .9999 fine

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Gold

2012 Austria 1/2 oz Gold Philharmonic BU

2012 · 0.5000 troy oz · .9999 fine

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Silver

2011 Australia 1 oz Silver Koala MS-69 NGC (First of 20,000)

2011 · 1.0000 troy oz · .999 fine

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Silver

2012 Australia 1 kilo Silver Koala BU

2012 · 32.1500 troy oz · .999 fine

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Silver

2012 Australia 1 oz Silver Koala BU

2012 · 1.0000 troy oz · .999 fine

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Silver

2012 Australia 1/2 oz Silver Koala BU

2012 · 0.5000 troy oz · .999 fine

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Silver

2011 Australia 1 oz Silver Koala SP-69 PCGS

2011 · 1.0000 troy oz · .999 fine

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Gold

2011 Austria 1/10 oz Gold Philharmonic BU

2011 · 0.1000 troy oz · .9999 fine

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Silver

2011 Austria 1 oz Silver Philharmonic BU

2011 · 1.0000 troy oz · .999 fine

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Gold

2011 Austria 1/2 oz Gold Philharmonic BU

2011 · 0.5000 troy oz · .9999 fine

Fair Market Value

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Gold

2011 Austria 1 oz Gold Philharmonic BU

2011 · 1.0000 troy oz · .9999 fine

Fair Market Value

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Silver

2011 Australia 1 oz Silver Koala BU

2011 · 1.0000 troy oz · .999 fine

Fair Market Value

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Gold

2004 Austria 1/4 oz Gold Philharmonic BU

2004 · 0.2500 troy oz · .9999 fine

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