2007 China PR69 Lunar 5 oz "PIG" Silver Rectangle Coin Thanks for visiting Modern Asian Coins and Medals Gallery and Please feel free to enquire. Buy Asian Gold & Silver Coins & Currency on APMEX.com. Fast & free shipping. 100% Satisfaction Guaranteed. The earliest coinage of Asia is also the oldest coinage of the world. Coins were invented The Lydian coins consisted of discs or lumps of electrum (a natural gold/silver alloy), and were stamped on two sides with dies. This concept spread​.

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