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Denier - John I Seville ND
| Billon | 1 g | 18 mm |
| Issuer | Kingdom of Castile and Leon (Spanish States) |
|---|---|
| King | John I (1379-1390) |
| Type | Standard circulation coin |
| Years | 1379-1390 |
| Value | 1 Denier (1⁄30) |
| Currency | Real (1350-1400) |
| Composition | Billon |
| Weight | 1 g |
| Diameter | 18 mm |
| Shape | Round (irregular) |
| Technique | Hammered |
| Demonetized | Yes |
| Updated | 2024-10-07 |
| Numista | N#166636 |
|---|---|
| Rarity index | 94% |
Reverse
2 rosettes at the base of the cross.
Castle with middle tower lower than the other 2 towers at both sides.
S from mint Seville/Sevilla under the castle
Script: Latin
Lettering: REX CASTELLE
Translation: Castilla
Comment
2 Pics of some of the details of both sides "highlighted"Interesting fact
The Denier coin from the Kingdom of Castile and Leon, minted during the reign of John I (1379-1390), was made of Billon, a type of alloy that consists of a mixture of silver and copper. This coin was significant because it was the first time that Billon was used as a material for coinage in the region, and it marked a departure from the traditional use of pure silver in coin production. The use of Billon in coinage was a common practice in medieval Europe, as it allowed for the production of coins with a lower intrinsic value than silver coins, but still maintained a level of durability and resistance to wear and tear.