"Font appears as 'Default' or boxes in Illustrator."
It includes both Vinci Sans and Vinci Serif styles, supporting Latin Expanded and featuring various OpenType Pro capabilities. vinci sans font family download
If you are looking for a similar geometric or humanist sans-serif for your own project, consider these professional alternatives that are available for licensing: Open Sans - Google Fonts "Font appears as 'Default' or boxes in Illustrator