Northern Song 北宋
聖宋 Sheng-song (建中靖國 jian-zhong jing-guo period) 1101AD
AE 1 wen and 2 wen
Seal script

2-coin set.

Diameter of larger coin, 29.5 mm

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COMBINED POSTAGE:
USA: flat $5 fee per package, no additional postage for additional coins.
Worldwide: charged at actual cost (though eBay) per package, price should be the same or nearly the same no matter how many coins. 

30 day returns. 
All coins unconditionally guaranteed genuine without time limit.

Do not pay until it is time to ship:   If you think you might buy additional items within the next week, you should pay when you are done with all of your purchases.   In order to maintain a preferred commission schedule, eBay expects me to ship items within one day of receiving payment. When I receive payment I ship as soon as possible.

Prices are firm.  No volume discounts.  No special offers.  No bargaining.