Coin Profile
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Date & Ruler: 1807, under King Charles IV
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Mint / Assayer: Mexico City (Mo), assayer TH — KM 109 type. The TH assayer was active c. 1803–1810 for Charles IV issues
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Silver Content: ~27.07 g, 89.6% purity (~0.779 oz fine silver)
Chopmarks & Cosmetic Condition
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Chopmarks: Present — small Chinese or Southeast Asian merchant punches used to validate authenticity during Asian trade routes
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Grade Descriptions: NGC and PCGS often list XF or AU Details due to circulation wear, light cleaning, or toning; heavy chopmarks are typical but not penalized in grade
| Feature | Description |
|---|---|
| Type | 1807 Mexico 8 Reales, Charles IV (KM 109) |
| Mint / Assayer | Mo (Mexico City), TH |
| Chopmarks | Present — authenticating merchant marks |
| Grade Range | VF/XF/AU Details common (with surface issues), rare MS |
