“Picassos in Reverse”, a brief profile of paintings conservator Simon Parkes and his studio published in the January 7, 2011 issue of The Wall Street Journal, ends with a quote from Mr. Parkes: “A picture of your granny is going to cost aproximately the same as a 1916 Picasso. I’m not going to pretend it takes any longer to do a Picasso.” These throw away lines inform the Wall Street Journal readership of an important principle of conservation