Referencing and quotations of gold and silver coins
Invention of the Stirrup
20 g - 1993 - P
Chin-Yin Yang
20 g - 1993 - P
First Compass
1 kg - 1992 - P
Butterfly Kite
1 kg - 1992 - P
First Seismograph
1 kg - 1992 - P
Ancient Ships and Shipbuilding
1 kg - 1992 - P
First Compass
5 oz - 1992 - P
Bronze Casting
20 g - 1992 - P
First Seismograph
20 g - 1992 - P
Ancient Ships and Shipbuilding
20 g - 1992 - P
Spanish Colonial 8 Reales Cob
15 g - 1992 - P
Paper
15 g - 1992 - P
Butterfly Kite
20 g - 1992 - P
First Compass
20 g - 1992 - P
Mathematical Definition of Zero
20 g - 1993 - P
Unearthing of The Terracotta Army
20 g - 1993 - P
Mathematical Definition of Zero
1/4 oz - 1993 - P
Stirrup
1/4 oz - 1993 - P
Umbrella
1/4 oz - 1993 - P
Terracotta Army
1/4 oz - 1993 - P
Tuned Bells Bells
1/4 oz - 1994 - P
Silk Fabric Fabric
1/4 oz - 1994 - P
Chain Pump Pump
1/4 oz - 1994 - P
Sailing Masts Masts
1/4 oz - 1994 - P
Gunpowder
1/2 oz - 1995 - P
Porcelain
1/2 oz - 1995 - P
Print
1/2 oz - 1995 - P
Acupuncture
1/2 oz - 1995 - P
Butterfly Kite Kite
1 oz - 1992 - P
Compass
1 oz - 1992 - P
Copper Casting
1 oz - 1992 - P
Bronze Casting
1 kg - 1992 - P
Dragon boat
1/2 oz - 1995 - P
First Seismograph
1 oz - 1992 - P