Skate’s Market Notes on Poly International Auction. Plus, a Ming Dynasty horse at Duke’s in Dorset. – artnet Magazine Posted on August 25, 2011 by Lydia Thompson Some interesting background on China’s auction powerhouse, Beijing Poly International. Skate's Market Notes on Poly International Auction. Plus, a Ming Dynasty horse at Duke's in Dorset. – artnet Magazine Share:ShareClick to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)