4 adjectives to describe patina

The faint greenish patina that covered it could have been painted only by the hand of the greatest artist of them all, Time.

The faint greenish patina that covered it could have been painted only by the hand of the greatest artist of them all, Time.

" His hand touched a small disk near the button he had first pressed; a disk of some strange metal, iridescent, gleaming with a peculiar greenish patina that, even as one watched it, seemed to blend into other shades, as an oil-scum transmutes its hues on water.

Every aspect and detail of life in France seems overlaid with a smooth patina of long-continued wareverything except the spirit of the people, and that is as fresh and glorious as the sight of their own land in sunshine.

4 adjectives to describe  patina