Green’s Dictionary of Slang

1. His Grace, i.e. a Duke.

1932

N. Gubbins Sun. Express (London) in Barlthrop & Wolveridge (1980) n.p.: hostess: Has his satin and lace (grace) gone to the rub-a-dub (club or pub), Jeames?

2. the human face.

1998

R. Puxley Fresh Rabbit.