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Northern Song Dynasty
Songyuan Tongbao
(Reverse With Upper Crescent, Lower Nail Mark Version)
北宋
宋元通寶
(背上仰月紋下甲痕版)
Item number: A3891
Year: AD 976-984
Material: Bronze
Size: 25.4 x 25.4 x 1.0 mm
Weight: 3.55 g
Provenance: Spink 2023
This coin, inscribed “宋元通寶” (Songyuan tongbao), was cast in the first year of the Jianlong era (AD 960) by Emperor Taizu, the founding emperor of the Song dynasty. It represents the first coinage issued by the Song dynasty.
The coin conforms to the traditional round cash form with a square central perforation characteristic of the Sinosphere. The obverse inscription reads “Songyuan Tongbao” in clerical script, to be read vertically from top to bottom and from right to left. The character “Song” approximates regular script in style, while “Yuan,” “Tong,” and “Bao” follow the clerical script style of the Tang “Kaiyuan Tongbao.” On reverse, above the central perforation appears an inverted crescent mark, while below there is a so-called “nail mark” (jia hen). Such nail marks are frequently encountered on coinages from the Tang period onwards. A popular legend relates that an empress consort once scratched a mark with her fingernail into the wax model, and that the craftsmen, not daring to remove it, faithfully reproduced it in the cast coin. In reality, the mark was most likely produced by pressing the edge of a mother coin into the mould, serving as an identifying mark of the casting furnace.
Emperor Taizu of Song, Zhao Kuangyin, reigned from AD 960 to AD 976 as the founding sovereign of the Northern Song dynasty. Of military background, he distinguished himself under Emperor Shizong of the Later Zhou and came to command the imperial guard. In AD 960, at Chenqiao Station, he was ceremonially invested with the yellow robe by his troops in what became known as the “Chenqiao Mutiny”, and, supported by the army, ascended the throne, founding the Song dynasty and proclaiming the Jianlong era. After his accession, he adopted a strategy of “pacifying the south before turning north”, gradually subduing the southern regimes and thereby laying the foundation for the reunification achieved under the Northern Song.
Zhao Kuangyin recognised that the turbulence of the Five Dynasties period had stemmed from the dominance of regional military governors and the overweening power of generals. He therefore implemented the policy later known as “releasing military power over a cup of wine”, persuading senior commanders to relinquish their commands in exchange for generous treatment and secure retirement. Military authority was thus centralised, and the civil bureaucracy strengthened. This policy established the Song dynasty’s characteristic emphasis on civil governance over military power, reducing the danger of regional warlordism, though it also contributed in the long term to relative military weakness.
In domestic administration, he reformed official conduct, placed great importance on the civil service examinations, promoted men of modest background, and strengthened centralised fiscal institutions. In foreign affairs, he maintained a combined strategy of defence and offence in relation to Northern Han and the Khitan Liao. During his reign society was comparatively stable and the economy gradually recovered, inaugurating the prosperity of the Song period. He died in AD 976 and was succeeded by his younger brother Zhao Guangyi, who reigned as Emperor Taizong.
The monetary system of the Northern and Southern Song dynasties was complex. Copper and iron were both employed as official coinage materials, supplemented by the circulation of paper currency. Silver gradually assumed an increasingly significant role. Copper cash were issued in denominations ranging in accounting value from one to ten units. Individual circuits minted coinage according to regional demand: some used exclusively copper coinage, others exclusively iron, while some employed both concurrently. Calligraphic styles varied considerably, including regular script, clerical script, seal script, and the Slender Gold style, among others.