001. Xiling Yinshe 2012 spring auction price: Mao Zedong signed photo RMB 1,725,000 (USD 265,000)

003. The Churchill's signature, auction price of 6950 pounds, Castro's signature 3750 pounds

004.Mao's letter to Clement Attlee sells for £600,000

005. Four pieces of envelops signed by the party and state leaders of China , auction transaction of USD 37,000

006-A photo signed by German chancellor Angela Merkel RMB 25300 yuan (USD 3900)

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