3 Mien Yao priest's chops/stamps (yen), 2 carved wood and 1 in metal, used with special red ink to stamp paper messages to the gods. Northern Laos, Thailand, Vietnam or south China, circa 1900. Sizes: 1) 2'' x 1.75'' x 1.5'' (5 x 4 x 4 cm); 2) 2'' x 1.75'' x 1.5'' (5 x 4 x 4 cm); 3) 2'' x 2'' (5 x 5 cm). Provenance: Lee and Vichai Chinalai collection.