China, Northern Song dynasty 10 Cash (AD 960-1127) Chongning Tongbao ×5 (No reserve price)

The Northern Song dynasty 10 Cash coin, specifically the Chongning Tongbao issued between AD 1102 and 1106, is an exemplary artifact of ancient Chinese numismatics. The Song dynasty (960–1279) is known for its advancements in technology, economy, and culture, with coins like the Chongning Tongbao playing a crucial role in commerce. Cash coins were traditionally round with a square hole in the center, symbolizing the earth and heaven, and were cast in bronze or brass. The inscription usually includes the reign title and denomination. Private and official mintage produced varying rarities, and coins from this era are prized by collectors interested in Chinese history, monetary evolution, and calligraphic styles on coinage.