What happended in 1638?
Monarch is King Charles I.
| Obv | Rev | Cat | Coin |
|---|---|---|---|
 |  | Sixpences | 1638 Sixpence - Charles I |
 |  | Groat | 1638-1642 Groat - Charles I (Aberystwyth Mint) |
 |  | Shillings | 1638-39 Shilling - Charles I |