On the photos the selvages look brown. Could they be goat's hair? (individual hairs that are thin, stiff and shiny coming out a bit here and there?
Overall, it looks like an old Beluch (as in 1st half 20th century), with oxidized browns, typical Beluch colours.
As to the weave, the experts need to say whether this is compatible with Beluch.
Beluch usually have brown selvages, so blue would suggest something else, perhaps.
