"In Europe my wife was sometimes taken for an American because of her dapper and jaunty way of dressing, and the curiously hygienic quality of her prettiness; in America she assumed an English softness and reticence." (229)

One more from Brideshead (can you blame me?), by Waugh, förstås. One of the only times I've read of someone being identified as an American in a sort of complimentary way.