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10 Dollars - Elizabeth II Precious 6 in 1
| Issuer | Solomon Islands |
|---|---|
| Year | 2013 |
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| Composition | Log in to see details |
| Weight | 31.1 g |
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| Obverse description | Log in to see details |
|---|---|
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| Obverse lettering | ELIZABETH II SOLOMON ISLANDS 10 DOLLARS IRB 2013 |
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| Edge | Plain |
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| Additional information |
The "6 in 1" designation refers to the coin's plating sequence across six precious and platinum-group metals — gold, silver, platinum, rhodium, palladium, and ruthenium — making it more a demonstration of refinery capability than a conventional bullion or commemorative issue. Rhodium and ruthenium plating on collector coins was a genuine novelty at the time; ruthenium in particular, the rarest of the platinum-group metals by natural abundance, had almost no history in numismatic application before the early 2010s.