Catalog
| Issuer | Monetary Authority of Singapore |
|---|---|
| Year | 1985-1991 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | 18.50 mm |
| 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 |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin/Tamil/Chinese |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Log in to see details |
| Mintage | 1985 (sm) - Proof - 20,000 1986 (sm) - Proof - 15,000 1987 (sm) - Proof - 15,000 1988 (sm) - Proof - 15,000 1989 (sm) - Proof - 15,000 1990 (sm) - Proof - 15,000 1991 (sm) - Proof - 15,000 |
| Additional information |
Singapore's proof sets of this period were produced primarily for collector export, timed to capitalize on the booming Southeast Asian numismatic market of the late 1980s. The Monetary Authority contracted the Singapore Mint, which had only achieved full operational independence from the Royal Mint in 1968 — a short production history that makes quality consistency across annual proof runs genuinely variable.
KM#51a spans seven annual issues, and cameo depth on the earlier dates tends to outperform the later strikes noticeably.