Each five-coin set commemorates Chinese inventions of the compass, seismograph (earthquake detector), Bronze Age metal working, archaeological discoveries, and yin yang. Each gem proof coin is minted from 22 grams of 900 fine silver. A maximum of only 15,000 sets can be assembled.
Metal:
Silver
Weight:
20 grams x 5-pc
Fineness:
92.50%
Mintage:
15,000 per design
Denomination:
5 Yuan x 5-pc
Graded:
Proof
Year:
1992-1993
