古代ローマ人 ブロンズ クロスボウ腓骨 – プロッテル型3-4、将校と関連する - 75 mm

Ancient Roman Bronze Crossbow Fibula (Zwiebelknopffibel) – Pröttel Type 3-4, Associated with Military Officers
Culture / Period: Ancient Roman
Date / Period: 4th - 5th century A.D.
Material: Bronze
Dimensions: 75 mm
Condition: Good condition. Complete with pin. Attractive green patina and well-preserved decorative details. Minor wear and surface corrosion consistent with age.

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Provenance information:
Object Registration ID: 166
The current owner purchased the Ancient Roman bronze Crossbow Fibula from a private collector, S.B., in Groningen, the Netherlands.
The previous owner stated that the object had been part of his private collection since 1990.
According to the previous owner, the fibula had previously been held in another private collection in the Netherlands before 1990.
No further information concerning the earlier ownership history of the object was available from the previous owner.

Background Information:
This bronze crossbow fibula, also known as a Zwiebelknopffibel ("onion-knob fibula"), belongs to one of the most distinctive categories of dress accessories from the Late Roman Empire. The type emerged during the 3rd century A.D. and remained in widespread use throughout the 4th and early 5th centuries. Its modern name derives from the characteristic arched bow and the three prominent knobbed terminals, which together resemble the shape of a drawn crossbow.

The present example can be attributed to Keller Type III and Pröttel Type 3-4, a well-known group dating primarily to the first half of the 4th century A.D., particularly during the reign of Constantine the Great and his successors. Characteristic features include the arched bow, onion-shaped terminals, and elongated foot decorated with engraved geometric motifs. Such fibulae were produced in specialised workshops throughout the Roman Empire and reflect the highly organised craftsmanship and standardised production associated with the Late Roman state.

The crossbow fibula ranks among the most iconic symbols of authority in the Late Roman Empire. By the 4th century A.D., brooches of Keller Type III / Pröttel Type 3-4 had become closely associated with military officers, senior commanders, and imperial officials. They are regularly depicted on statues, mosaics, and official portraits of generals and members of the imperial court during the reigns of Constantine the Great and his successors. Far more than a simple garment fastener, the crossbow fibula served as a visible badge of rank and status within the military and administrative hierarchy of the empire. Ownership of such brooches is therefore strongly connected with individuals who held positions of authority within the Late Roman state apparatus.

In practical use, the fibula secured a cloak such as the chlamys or sagum, garments commonly worn by military and administrative personnel. The pin passed through several layers of fabric before locking into the catch plate, ensuring that the cloak remained securely fastened. While functional, these brooches also communicated status and official position, making them among the most recognisable items of Late Roman dress.

Examples of this type have been discovered across a vast area of the Roman world, from Britain and Gaul to the Danubian provinces and the eastern territories of the empire. Their widespread distribution reflects the movement of military units, officials, and administrators throughout the imperial provinces. Such objects travelled along the extensive military and administrative networks that connected the Roman Empire from west to east.

Dating to the age of Constantine I (A.D. 306–337), Constantine II, Constans, and Constantius II, this fibula belongs to a transformative period in Roman history marked by military reforms, administrative centralisation, and the emergence of a distinctly Late Roman imperial culture.

This piece provides a direct and physical link to the officer class and imperial administration of the Late Roman Empire. It forms a tangible connection to the ancient world, where objects of this kind served not only a practical purpose but also acted as visible symbols of authority, rank, and service within one of history's greatest empires.