Catalog
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| Issuer | Monetary Authority of Singapore |
|---|---|
| Year | 1980-1984 |
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| Composition | Log in to see details |
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| Diameter | 16.26 mm |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Edge | Reeded |
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| Additional information |
Singapore switched its 5-cent piece to copper-nickel clad steel in 1980 as part of a broader effort to reduce production costs — the underlying steel core made these noticeably magnetic, which caused intermittent problems with vending machine acceptors calibrated for the earlier cupro-nickel pieces. The transition was quiet and administratively unglamorous, driven entirely by economics rather than any redesign mandate.
The KM#2a designation separates this magnetic variety from its non-magnetic predecessor, a distinction that matters more to collectors than it ever did to the Singaporean public.