The copy formerly owned by Carl I. Wheat and Albert H. Small (Census 2.220) will be sold by Christie’s (New York), Important Printed Books and Americana from the Albert H. Small Collection, 18 May 2012, lot 31, with an estimated price of $120,000–180,000. It is in the Doves binding with an apple green linen Arts and Crafts embroidered cover.
Here is a link to the online catalogue.
[Update, 7 October 2012: This copy sold for $140,500.]