A Persian Tabriz rug, and a Haj Jalili one at that! 
Origin: Tabriz, Iran (one of the oldest and most renowned rug-weaving centers in the world)  
Type: A room-sized rug, given the 10' x 13' dimensions.
Style: Haj Jalili Tabriz. This refers to a specific workshop or lineage of rug makers known for their exceptional quality and artistry.
Features of Tabriz Rugs:
Fine Weave: Tabriz rugs are known for their high knot density (often referred to as "Raj"). A higher Raj number means a finer weave and more intricate designs.  
Durable Materials: Wool pile on a cotton foundation is typical. 
Variety of Designs: Tabriz rugs can have a wide range of designs, including medallions, all-over patterns, and pictorial scenes. This one appears to have a classic all-over design with intricate floral and geometric motifs.  
Color Palette: Often uses a sophisticated palette with rich, sometimes muted, colors. This rug have a beautiful blend of golds, creams, and browns.  
Why This Rug Is Special:
Haj Jalili: Rugs from this workshop are highly sought after by collectors due to their quality and artistry. They often feature unique design elements and exceptional craftsmanship.  
Intricate Design: The level of detail in the pattern is impressive. Notice the delicate floral motifs and the precisely rendered geometric elements.
Age: As an "old" Tabriz, it has historical significance and may even be an antique.