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Tostão - João IV (Porto)
🇵🇹 Portugal · Tostão - João IV (Porto) · 1495–1847
| Weight | 5.73 g |
| Diameter | 26 mm |
| Composition | 91.67% Silver |
| Melt value | — |
| Reference | Gomes# J4 78; J4 79; J4 80, KM# 44 |
| Collector's Key World ID | CKW-PRT-480 |
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Varieties & References
No additional varieties recorded.
External references
Frequently Asked QuestionsFAQ
What is a 1643 Portugal Tostão - João IV (Porto) made of?
0.9167 Silver, weighing 5.73 g.
What is the melt value of a 1643 Portugal Tostão - João IV (Porto)?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1643 Portugal Tostão - João IV (Porto) a key date?
It's a more common issue overall, though scarcer varieties may carry a premium — see the varieties list.
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