It was Nana's very mole, down to the color of the hair.
He could not refrain from whispering something about it in Vandeuvres's ear.

Gad, it was true; the other had never noticed it before.

And both men continued this comparison of Nana and the countess.

They discovered a vague resemblance about the chin and the mouth, but the eyes were not at all alike.

Then, too, Nana had a good-natured expression, while with the countess it was hard to decide--she might have been a cat, sleeping with claws withdrawn and paws stirred by a scarce-perceptible nervous quiver.
"All the same, one could have her," declared Fauchery.
Vandeuvres stripped her at a glance.
"Yes, one could, all the same," he said.