Good stuff echizento 
I have 12 Types of Northern Song 1 Cash, two 2s and one 5. Here are the 1 cash:

Top Left: Tai Zong, Chun Hua, 990-994AD. (Running script)
Top Middle: Tai Zong, Chun Hua, 990-994AD. (Grass script)
Top Right: Zhen Zong, Jing De, 1004-1007AD.
Bottom Left: Tai Zong, Zhi Dao, 995-997AD.
Bottom Middle: Tai Zong, Zhi Dao, 995-997AD. (Running script)
Bottom Right: Tai Zong, Zhi Dao, 995-997AD. (Grass script)

Top Left: Ren Zong, Huang Song, 1039-1053AD.
Top Middle: Ying Zong, Zhi Ping, 1064-1067AD.
Top Right: Shen Zong, Yuan Feng, 1078-1085AD.
Bottom Left: Zhe Zong, Yuan You, 1086-1093AD.
Bottom Middle: Zhe Zong, Yuan You, 1086-1100AD (Seal script).
Bottom Right: Hui Zong, Zheng He, 1111-1117AD (Seal script).
Off the top of my head I still have about 40 to get to complete a dynasty 'set', most of these are cheap but there are 'super rares' as in most areas of collecting.
I have 12 Types of Northern Song 1 Cash, two 2s and one 5. Here are the 1 cash:

Top Left: Tai Zong, Chun Hua, 990-994AD. (Running script)
Top Middle: Tai Zong, Chun Hua, 990-994AD. (Grass script)
Top Right: Zhen Zong, Jing De, 1004-1007AD.
Bottom Left: Tai Zong, Zhi Dao, 995-997AD.
Bottom Middle: Tai Zong, Zhi Dao, 995-997AD. (Running script)
Bottom Right: Tai Zong, Zhi Dao, 995-997AD. (Grass script)

Top Left: Ren Zong, Huang Song, 1039-1053AD.
Top Middle: Ying Zong, Zhi Ping, 1064-1067AD.
Top Right: Shen Zong, Yuan Feng, 1078-1085AD.
Bottom Left: Zhe Zong, Yuan You, 1086-1093AD.
Bottom Middle: Zhe Zong, Yuan You, 1086-1100AD (Seal script).
Bottom Right: Hui Zong, Zheng He, 1111-1117AD (Seal script).
Off the top of my head I still have about 40 to get to complete a dynasty 'set', most of these are cheap but there are 'super rares' as in most areas of collecting.
























