Dürer’s polyhedron

via wikipedia, https://duckduckgo.com/l/?kh=-1&uddg=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FMelencolia_I
via wikipedia

The Guardian on the poluhedron in Albrecht Dürer’s 1514 engraving Melencolia I

…why this polyhedron? And why this particular shape?

The Metropolitan Museum of Art. The British Museum It was at Christies.