CHINA 1995 50th Anniversary of Taiwan's Return Commemorative Proof Coins Set

CHINA 1995 50th Anniversary of Taiwan's Return to China Sets: 

a)  2000 Yuan 1kg .999 Gold Proof, 200 Yuan 1kg and Taiwan maps on reverse

b) .999 Silver Proof, 500 Yuan 5Oz .999 Gold Proof and Taiwan maps on reverse

c) 50 Yuan 5Oz .999 Silver Proof, 50 Yuan 1/2Oz .999 Gold Proof China and Taiwan maps on reverse

d) 50 Yuan 1/2Oz .999 Gold Proof Taipei Zhongshan Hall on reverse

e) 10 Yuan 1Oz .999 Silver Proof China and Taiwan maps on reverse

f)  10 Yuan 1Oz .999 Silver Proof Taipei Zhongshan Hall on reverse

Total 8 Pieces, with original box and cert 00001, Gem PF

Do you know how much it costs?