China - Chopmarks,CHOPMARKED COINS: MEXICO: Republic, AR 8 reales, 1893-Go, KM-377.8, assayer RS, with Chinese xixi (double happiness) character on obverse in red tape, Chinese ink characters on reverse paper, EF. The double happiness symbol is a Chinese traditional ornament design, commonly used as a decoration symbol of marriage. Outside of China, it is also used in the United States, Europe and Southeast Asia.