The famous napkin showing the agreement to sign then 13-year-old soccer star Lionel Messi to FC Barcelona was sold at auction on Friday for the equivalent of about $968,600.

Napkin then creates a Notion-like canvas with that text, then appends a “spark icon” to paragraphs of text that, when clicked, transform the text into customizable visuals.

The napkin upon which Lionel Messi’s first Barcelona agreement was informally written has gone on sale at auction. Bonhams — a privately owned, London-based international auction house — are ...