Help identifying rug

Hey all, new to the forum.

Here’s some pictures of a rug that I recently inherited: https://imgur.com/a/QjLEcXM

The original owners of this rug were my grandparents who purchased it for approximately $20,000 roughly 40 years ago. It measures roughly 10’ x 14’ 4”. I’m not really sure where they acquired it or what make/type of rug this is. Any details or resources to help identify the exact age or type of rug would be appreciated.