Catalog
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| Issuer | Cook Islands |
|---|---|
| Year | 2016 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Dollar (1972-date) |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Technique | Log in to see details |
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| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
| Reverse script | Latin |
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| Edge | Reeded |
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| Mintage | Log in to see details |
| Additional information |
Japan's Hokkaido Shinkansen extension opened on March 26, 2016, connecting Shin-Aomori to Shin-Hakodate-Hokuto via the Seikan Tunnel — at the time of its construction the longest undersea railway tunnel in the world. Cook Islands has a well-documented history of licensing its sovereign mint authority for commemorative issues tied to foreign infrastructure and transport milestones, a revenue arrangement that has produced hundreds of such pieces since the 1990s. The Seikan Tunnel itself took over two decades to complete, plagued by geological instability and a catastrophic flood in 1976 that killed 33 workers.