A Bronze Seal Stamp (Matrix) with Spiral Motifs, 4th to 1st Century B.C. (La Tène Celtic Culture) Exceptional bronze seal stamp featuring a large circular die measuring approximately 2.7 × 2.2 cm, deeply engraved with a complex and symmetrical design of interlocking spirals and curvilinear motifs. The piece has a short conical stem ending in a rounded knob handle. It displays a rich dark patina with reddish-brown and green verdigris highlights. This type of personal or ritual seal was used to impress designs onto wax, clay or other soft materials. The flowing spiral decoration is a hallmark of La Tène Celtic art (Iron Age Celtic culture of Europe). Material: Bronze Dimensions: 2.7 × 2.2 × 2.2 cm Provenance: Acquired in Germany from a German private collection, formed in the 1990s. All items come with CoA Catawiki disclaimer: This object has been dated based on style by the seller . No further tests, such as, a TL test, lapidary tests, analysis of pigments or radiography scans have been conducted to check the integrity of the piece.