While I couldn't find a direct download link currently attributed to "Prince Shieff" specifically, here is how you can find and install high-quality face mods for Diogo Costa in PES 2017:
They recently shared a version of Diogo Costa for PES 2017 (originally by HS_Facemaker & Fleishman Facemaker) that is available for download on the African Facemakers Facebook page . Download File Diogo Costa PES2017 by Prince Shi...
If you manage to locate Prince Shieff's specific .cpk file, the installation process typically follows these steps: While I couldn't find a direct download link
For more specific mods by Prince Shieff or other popular facemakers, you might want to check the following communities: Download File Diogo Costa PES2017 by Prince Shi...
Launch PES 2017, and the updated face should appear in your squad. Where to find more mods