If you want the full version and license for commercial use,
you can purchase here :

https://staircaselab.com/product/queen-signature-font-duo/

File Font Version : 

1. Queen Signature Duo.otf
2. Queen Signature Duo.ttf
3. Queen Signature Duo.woff
4. Queen Signature Duo Italic.otf
5. Queen Signature Duo Italic.ttf
6. Queen Signature Duo Italic.woff
7. Queen Signature Script.otf
8. Queen Signature Script.ttf
9. Queen Signature Script.woff
10. Queen Signature Script Italic.otf
11. Queen Signature Script Italic.ttf
12. Queen Signature Script Italic.woff