For big objects that don't transfer finger prints very well, forensic labs will use a process called fuming to find prints. Basically, they take the object and seal it in a box with an open dish of superglue. The fumes from the superglue will react w...
as per artprice.com: 1854-1922, in 2006 his drawings sold for between 950 and 1'000 usd. so, better check whether they really are prints and not originals:)
Paintings are "one offs" and the artist has sat and slaved on them for hours and sometimes days to get them right. Prints are turned out in the thousands by a machine which runs at 15,000 prints an hour. Do not have a print in your house - only hang ...