Helvetica Neue W23 For Sky Family Exclusive |work| | 99% Limited |

The "W23" designation is where things get proprietary.

: In typography, "W23" often refers to a specific weight or character set grouping within the World (W) series by Monotype/Linotype, which includes support for multiple scripts like Arabic, Cyrillic, and Greek. helvetica neue w23 for sky family exclusive