Blotched

A vulgar flaring paper adorned the walls, but it was blotched in places with mildew; and here and there great strips had become detached and hung down, exposing the yellow plaster beneath.

Source: tatoeba (6303826)

The Dutch think no People are so much troubled with the Scurvy as they: But they mistake. There are more blotched Faces in one Town in England, than in the whole Dutch Province [...]

Source: wiktionary

1845, Charles Dickens, The Cricket on the Hearth, Chirp the Second, The Blind Girl never knew that ceilings were discoloured, walls blotched and bare of plaster here and there, high crevices unstopped and widening every day, beams mouldering and tending downward.

Source: wiktionary

Frome turned away again, and taking up his razor stooped to catch the reflection of his stretched cheek in the blotched looking-glass above the wash-stand.

Source: wiktionary