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

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

File Font Version : 

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