The auction results, IMO, are reasonable. It appears that money is available for rare coins, but not the common one. The rare PRC circulated coins are strong.
Here are the final price for the lots mentioned above.
http://www.ichengxuan.com/antiques/99835/ (1903, Kuang Hsu Yuan Pao Silver Pattern Coin, Hupoo, Tientsin Mint, PCGS SP58, Rare, Est. value: RMB 800,000-1,200,000)
Final price: RMB 966,000 (US$152,125)http://www.ichengxuan.com/antiques/99850/ (1911, Tai Ching Silver Pattern Coin, 1 Yuan, Unissued, Rare, PCGS SP63, Est. value: RMB 1,680,000-2,000,000)
Final price: Unsold.http://www.ichengxuan.com/antiques/99959/ (1921, Hsu Shih-Chang Commemorative Silver Coin, UNC, Est. value: RMB 20,000-25,000. Gold version was discussed here recently:
http://china-mint.info/forum/index.php?topic=11894.msg69453;topicseen#msg69453)
Final price: RMB 43,700 (US$6,880)http://www.ichengxuan.com/antiques/100111/ (1896, Kuang Hsu Yuan Pao Silver Coin, 7.2 Mace, Hupeh Province, Benshen, PCGS VF35, Very Rare, Est. value: RMB 800,000-1,000,000)
Final price: RMB 920,000 (US$144,880)http://www.ichengxuan.com/antiques/100253/ (1928, Brass Pattern Coin, 100 Cash, Honan Province, Collection of Ma Dingxiang, UNC, Est. value: RMB 500,000-600,000)
Final price: RMB 644,000 (US$101,420)http://www.ichengxuan.com/antiques/100451/ (1928, Kweichow Silver auto Coin, minted by Guizhou Provincial Government, NGC XF45, Est. value: RMB 130,000-150,000)
Final price: unsoldhttp://www.ichengxuan.com/antiques/100452/ (1949, Silver Coin, 1 Dollar, Kweichow Province, Rare, PCGS XF40, Est. Value: RMB 220,000-250,000)
Final price: RMB 299,000 (US$47,085)http://www.ichengxuan.com/antiques/99962/ (1934, China Soviet Silver Coin, 1 Dollar, Szechuan and Shensi Provinces, XF, Est. value: RMB 10,000-20,000)
Final price: RMB 23,000 (US$3620)http://www.ichengxuan.com/antiques/99964/ (1932, China Soviet Silver Coin, 1 Dollar, Rare, NGC F15, Est. value: RMB 200,000-250,000)
Final price: Unsoldhttp://www.ichengxuan.com/antiques/100020/ (1986, The People's Bank of China, Circulating Coins and Copper Medal of Year of The Tiger, Total 8 pcs., Mintage: 660 Sets, UNC, Est. value: RMB60,000-100,000)
Final price: RMB 149,000 (US23,455)http://www.ichengxuan.com/antiques/100031/ (1991, Circulating Coins, 10 Cents, 50 Cents, 1 Yuan, Specimen, a complete set of 3 pcs., NGC MS65 X 2, MS66 X 1, Est. value: RMB15,000-20,000)
Final price: RMB 19,950 (US$3,140)http://www.ichengxuan.com/antiques/100044/ (1969, The People's Bank of China, Aluminum Coins, 2nd Print, Specimen, 1 Cent, 2 Cents, 5 Cents, Total 3 pcs., PCGS SP64, SP62, SP64, Est. value: RMB 200,000-300,000)
Final price: RMB 851,000 (US$134,000)http://www.ichengxuan.com/antiques/100043/ (1999, Circulating Commemorative Coins of The Establishment of the Macao Special Administrative Region of the People's Republic of China, a set of 2 pcs., 10 Yuan, Mintage: 3,000 Sets, PCGS SP67, SP66, Est. value: RMB 20,000-25,000)
Final price: RMB 70,150 (US$11,050)http://www.ichengxuan.com/antiques/100019/ (1985, The People's Bank of China, Circulating Coins and Copper Medal of Year of The Ox, Total 8 pcs., Mintage: 4825 Sets, UNC, Est. Value: RMB 10,000-15,000)
Final price: RMB 18,400 (US$2,900)