The images splashed across the pages of this fall’s auction catalogs are as familiar as they are telling: Degas dancers and Pissarro landscapes; Picasso portraits and Warhol dollar bills. All are well-known works by tried-and-true artists carrying estimates as low as sellers are willing to go. From publishing magnate Peter Brant's Basquiat to the late Arthur Sackler's Kandinsky, offerings in this recession-era are, in part, thanks to the three D’s: death, divorce and debt...