1992 2 x Kilo Gold Inventions & Discoveries Proof Set

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A series of thirty coins was issued in 1992 with the theme of inventions and discoveries of ancient China. The series comprises seven gold, eighteen silver, and five platinum coins. Pictured are two 1kg gold coins in the series. The coins feature the invention of the compass and the invention of the seismograph.

1992 1 Kilogram Gold Compass

The is a coin of proof quality with a purity of 99.9% and a diameter of 100mm. Only ten pieces were struck by the Shenyang mint. Its denomination is 2000 yuan.

The reverse face shows a picture of the compass device with a group of horses and a chariot being guided by a compass needle in the background. To the left of the picture is the inscription written in Chinese characters: “Compass 4th Century BC”. Below the image is the denomination, 2000 yuan.

The compass was invented during the Warring States Period (475-221 BC) when people discovered that certain magnetic rocks always aligned to the South when suspended and allowed to rotate freely. The compass was frequently used on ships at sea, when travelling, and when going to war.

The obverse face shows a picture of the Great Wall, the ancient Chinese fortifications, construction on which began in 220 BC during the Qin Dynasty (221-207 BC). Above this appears an inscription: “The People’s Republic of China”, in Chinese characters. Below the Great Wall image is the year of production, 1992.

1992 1 Kilogram Gold Seismograph

This coin is the 1kg gold coin of the series featuring the Zhang Heng’s invention of the seismograph. It is a proof coin of 99.9% fineness and a denomination of 2000 yuan. It measures 100mm in diameter and was struck at the Shenyang mint with a mintage of just 10 pieces.

Featured on the reverse face is a depiction of Zhang Heng’s seismograph and a group of three scientists. Zhang Heng (78-139 AD) was a Eastern Han Dynasty (25-220 AD) scholar, poet, inventor, and scientist. His invention of the seismograph in 132 AD was able to determine the direction of the epicentre of an earthquake from a distance of 500km. Below the image of the seismograph appears the denomination, 2000 yuan. The top left corner of the face bears the inscription giving the date of the invention in Chinese characters. It reads: “Seismograph 2nd Century AD”.

Featured on the obverse face is a picture of the Great Wall above which is the inscription in Chinese: “The People’s Republic of China”. Below the image is the year of issue, 1992. Construction began on the Great Wall in 220 BC following the unification of China in 221 BC. It has been rebuilt, modified, and extended many times since, particularly during the Ming Dynasty (1368-1644). The Great Wall as it stands today represents one of the greatest architectural and engineering feats achieved by the Chinese throughout history.

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Condition/ Quality



2000 Yuan