 In 2006 at Christie's Hong Kong "Asian Contemporary Art" auction, Christie's pre-auction sale estimate of the late Ishida's painting "Untitled 2001" (oil on canvas
130.5 x 190.3 cm (51 1/4 x 75 inches)), which was listed as lot 496, was HK$60,000 - HK$80,000
(US$7,745-US$10,326).On November 26, however, "Untitled 2001" was sold for HK$780,000 (US$100,681).In 2008, the same painting was put up in Christie's Asian Contemporary Art auction.