Cosimo I Medici, Grand Duke of Tuscany (1519-1574)

Allori's image of Cosimo I Medici, Grand Duke of Tuscany, dated around 1560 and now in the Kunsthistorisches Museum, is a dynastic portrait on the unusual support of tin, producing a small but highly durable object. Cosimo I (1519–1574) was the first Grand Duke of Tuscany and the architect of the consolidated Medici state; his portraiture was a matter of intense political management across his long reign. Allori's contribution to the Cosimo portrait tradition — working alongside and after Bronzino — reflects his position within the court's visual programme. The tin support is extraordinary: hard, non-absorbent like copper, it produces a small, jewel-like object well suited for diplomatic gift or high-status private collection. The Kunsthistorisches Museum's extensive holdings of Florentine Mannerist court portraits reflect the historic exchange between the Medici and the Habsburg dynasty.

Painted on tin — an unusual metallic support — the image achieves the extreme precision and cool tonality associated with small-format metal-support painting. Tin is less common than copper but similarly resistant to moisture and decay, producing durable objects ideal for private collection.