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Denier - Charlemagne Pisa
| Issuer | Carolingian Imperial Mint |
|---|---|
| Year | 793-812 |
| Type | Standard circulation coin |
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|---|---|
| Obverse script | Latin |
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| Reverse description | The celebrated Karolus monogram occupies the central field, enclosed within a beaded inner circle. The monogram is an interlaced cipher composed of the letters of KAROLVS, arranged in a cruciform pattern, a device introduced under Charlemagne's monetary reform as a dynastic emblem. The mint name PISA appears in the surrounding legend, preceded by a star or cross stop, identifying this piece as a product of the Pisa mint. The fields are plain and the lettering is rendered in characteristic Carolingian square capitals. The overall style is consistent with late 8th- to early 9th-century Imperial Carolingian hammered silver coinage. |
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| Additional information |
Pisa's Carolingian deniers belong to the reformed coinage Charlemagne mandated through the capitulary of 793–794, which standardized the penny across the Frankish realm at a heavier weight and displaced the older, lighter Merovingian issues. The reform was explicitly fiscal — it reduced the number of authorized mints while concentrating output in royal-controlled centers, Pisa among them as a strategically important port city on the Ligurian coast.
The CNI XI references place this piece within a well-documented northern Italian sequence, though Pisan output from this reign remains considerably scarcer than production from the major transalpine mints at Melle or Dorestad.