<b>Bonhams Apr 13:</b> BILL OF RIGHTS. Gazette of the United States.<br>Est $12,000-18,000.
<b>Bonhams Apr 13:</b> GEISEL, THEODOR SEUSS. 1904-1991. Original painted clay sculpture, Mulberry Street Unicorn. Est $30,000-50,000.
<b>Swann Auction Galleries: Maps & Atlases, Natural History & Color Plate Books, May 19</b>
<b>Swann Auction Galleries May 19:</b> Pieter Goos, <i>De Zee-Atlas / Ofte Water-Wereld</i>, with 41 engraved maps in original hand-color, Amsterdam, 1672. $70,000 to $100,000.
<b>Swann Auction Galleries May 19:</b> John James Audubon, Wood Ibiss, <i>Plate CCXVI.</i>, hand-colored plate from double elephant folio edition Birds of America, London, 1834. $30,000 to $50,000.
<b>Swann Auction Galleries May 19:</b> John James Audubon, autograph manuscript, unsigned, a working draft for <i>Plate 67</i>, Red-Winged Starling, with a copy of the plate, 1820s-30s. $15,000 to $25,000.