This late 19th Century/early 20th Century Persian "Motasham" Kashan dozar (1.96x1.23m) was sent to Iran for complete restoration.

Here is before restoration:

After restoration:

The most serious problem was that a size-able percentage of the rug's cotton foundations has become brittle and the rug was breaking apart; this was particularly apparent towards the bottom left corner. 

This deterioration is highlighted below:

After

There was also numerous holes that needed reweaving:

After reweave (note the red selvedge [the cord that runs down the side of the rug] has been replaced):

The fringes had been eroded over time, and the pile was starting to come away at both ends.

Before:

After the fringes had been rewoven back-in:

This picture perfectly illustrates the brittle nature of the rug before restoration:

After the work was completed, restoration work was not even visible . . .