The Glenbow Museum of Calgary sold one a while back (the 2000 sale?- or was it a private transaction?) in order to purchase material more in line with their specialties.

I think it was a mistake, the set is a drawing card.

The Rare Book Collection at the University of Texas has it; When I was a student there, a page was turned each day. As students we would go and look at the day's 'bird'.

The New York Times is selling reproductions of famous paintings and prints; they offer 3-4 Audubon copies, at a few hundred each- fine reproductions are expensive to print.