"Have you not noticed that there are no signs of old age among us?"

Had he simply failed to notice the signs of age on her?

However, the building was showing signs of age by the late 20th century.

He did not seem Right-wing at all to me, but perhaps this is a sign of middle age.

However, the first signs of advancing age showed the following year.

The room they stepped out into, however, showed no signs of age.

There are signs of age and change elsewhere in his world.

No sign of age either- none that he could see.

I could see the first signs of age there in her face.

My own skin was smooth, with no sign of age.