It is made with embossed silver plates engraved and partly superimposed on a golden casket of wood, depicting scenes from the life and death of the martyr Saint Cugat.

[1]" The task was entrusted to goldsmith Juan de Genova (Genoa Johannes), who was of Italian origin settled in Perpignan, at that time continental capital of the Kingdom of Mallorca.

The theme is depicted the life of St. Cugat from his arrival in Barcino, his preaching and conversions to his arrest and death by beheading by order of Maximian, the emperor of Rome, and his burial by the Juliana and Semproniana disciples, all narrated serially around the casket, designed to hold its relics.

With the same theme box burned remains a painting, believed sketch, in El Masnou Municipal Nautical Museum, titled the slaughter of Sant Cugat by Pere Pau Montaña i Placeta.

The white and silver gilt that was used to replace the Gothic gold jewelry, which prevailed in the past, although it continued to be used for the realization of special pieces, usually commissioned by kings and the worship of great cathedrals.

[8] A fairly common technique also, was to cover the body of the casket in plaster reliefs gilded with gold, as in the Urn St. Candide (1292), preserved the National Art Museum of Catalonia.