437 and 450

Imperial coins depict Christ

Wedding coinage of Valentinian III and Marcian includes a standing figure of Christ.

The coins document early imperial Christian iconography. They are included as context for the book’s later argument about visual parallels; they do not show that the Turin Shroud existed or inspired these designs.

A fifth-century coin type issued under Valentinian III and Marcian shows Christ presenting or crowning the imperial couple. It is an important early example of Christian imagery on Roman imperial coinage and reflects the political theology of the late Roman court. The gold coin is a dated artifact, unlike a later story about a relic.¹

What the surviving source says

The image is a small, stylized representation made for an imperial medium. Its facial features belong to the conventions available to the mint and do not identify a specific prototype. A visual resemblance to the Shroud face cannot prove that the coin engraver saw the cloth, especially when many features are standard in sacred portraiture.¹²

Historical significance and limits

The coin helps date the development of Christ imagery in official art. It is not evidence of the Shroud’s existence unless a documented link between the coin’s model and the textile can be shown.²³

Sources and further reading

1. Mark Guscin, The Tradition of the Image of Edessa (source study). Consult the cited passage in the full source and its transmission context; the article distinguishes the source’s wording from later interpretation.
2. Otangelo Grasso, The Image That Should Not Exist: A Scientific Investigation of the Shroud of Turin (2026), ch. 2, “Origins and Historical Record,” pp. 23–31, and ch. 17, “The Mandylion, Art, and the Historical Record,” pp. 232–243. Author synthesis; not an independent witness.
3. Otangelo Grasso, From Forensics to Faith (2026), ch. 2, “Pre-1355 History,” pp. 32–125, and ch. 3, “6th to 14th Century History,” pp. 126–194. The book advances a proposed reconstruction; claims are assessed here against the primary texts.
4. Otangelo Grasso, Chronological List of Pre-1356 Literature Mentioning the Shroud and Christ’s Burial Cloth (20 July 2025), pp. 1–9. Prepared with AI assistance and used as a research checklist; its identifications and confidence labels are not treated as verified facts.
5. Andrea Nicolotti, From the Mandylion of Edessa to the Shroud of Turin (critical study). Further reading or contextual source retained from this event’s earlier bibliography.