Pair of 2 Antique Chinese Jade and Bone Calligraphy Horsehair brushes. These are a pair of spectacular old Chinese jade and bone and real horse hair calligraphy brushes. They are very impressive in size and quality. a) The large red one is 17" long, with dark brown hair. b) The smaller green one is 15" long, with light greenish yellow hair. They are both in excellent condition with no damage or chips. The plastic loops at the end were recently added for hanging.