Catalog/Wolf Kahn/Tree IntervalsTree IntervalsArtistWolf Kahn$500 Buy Wolf Kahn (American/German, b. 1927) Tree Intervals signed 'W Kahn' (lower right) pastel on paper 6 x 8 in. (15.2 x 20.3 cm.) Executed in 2001.Sizes and ProportionsExecution Options (Materials and Printing)Additional Finishing