Mcektam collection
Jian Yan Tong Bao “建炎通寶”, 2 Cash, 28mm, 1.5mm, Silver Gilded in Copper, Emperor Gao Zong (1127-1162), Southern Sung Dynasty. 南宋高宗建炎元年（1127年）鑄, “建炎通寶”四字直讀，折二，光背，尚有多處鎏銀。	Asia China 1127