Proof Coin
A proof coin is a specially manufactured coin struck using polished dies on carefully selected planchets to produce the highest-quality finish possible.
Proof vs. Bullion vs. Uncirculated
| Type | Finish | Premium Level |
|---|---|---|
| Proof | Mirror/Frosted contrast | Highest (30–100%+ over spot) |
| Burnished/Uncirculated | Satin/Matte | High (20–40% over spot) |
| Bullion | Standard strike | Low (3–20% over spot) |
Unless you are a collector, proof coins are generally not recommended for pure metal investment — you pay a large premium unlikely to be recovered at resale.
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