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

https://fontkong.com/product/rubeckia/

File Font Version :

1. Rubeckia.otf
2. Rubeckia.ttf
3. Rubeckia.woff
4. Rubeckia Italic.otf
5. Rubeckia Italic.ttf
6. Rubeckia Italic.woff