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

https://fontkong.com/product/jacob-and-son/

File include : 

1. Jacob and son.otf
2. Jacob and son.ttf
3. Jacob and son.woff
4. Jacob and son Demo.otf
5. Jacob and son Demo.ttf
6. Jacob and son Demo.woff
7. Jacob and son Italic.otf
8. Jacob and son Italic.ttf
9. Jacob and son Italic.woff
10. Jacob and son Tilted.otf
11. Jacob and son Tilted.ttf
12. Jacob and son Tilted.woff