Chinese Porcelains, Repousse Silver & Bibelots, Collection Belonging to the Estate of Baron Von Maltzan, Combined with a Collection of Snuff Bottles Assembled by a Connoisseur; Snuff Bottles in Jade and Other Beautiful Media Assembled by a New York Connoisseur; Porcelains & Bibelots, Collection of the Estate of Baron von Maltzan, Late German Ambassador to the United States, Sold by the Order of the Baroness von Maltzan