Southern Sung (1127-1279 AD), Emperor Gao Zong (1127-1162 AD), Shao Xing era (1131-1162 AD), regular 'Shao Xing Tong Bao'. 3.6g, Bronze, 24.59mm. This 'Shao Xing' 1 cash coin is scarcer than other 1 cash coins and larger coins 2 to 3 cash, except the 2 cash coin with reverse symbol for '4' and scarcer 1 cash coin with reverse 'yi' (one) at the right side of the center hole. Scarce.