chop-dollar

Century Dictionary and Cyclopedia

1. n. In China, Malacca, Burma, and Siam, a dollar bearing an impressed private mark as a guaranty of genuineness. It was formerly the custom in Hongkong and the treaty ports of China for each firm to stamp in this way all coin passing through its hands.
2. Having the appearance of a dollar covered with chops or marks: applied to the face when deeply pitted with smallpox.