Potter Rarities, Signed Harper Lee, Bounty Narratives: Auction Preview

Three volume set of the South Polar Times (1907–1914), offered at Potter & Potter this week.
Here are the sales I'll be watching this week:
At Hansons Auctioneers on Tuesday, April 15, The Harry Potter Auction (timed online sale), featuring 23 lots of Potter rarities. A copy of Harry Potter and the Half-Blood Prince containing a variety of small illustrations and notes from Potter illustrators Thomas Taylor, Cliff Wright, Jason Cockcroft and Carolyn Edwards, and inscriptions from numerous actors from the various Potter films rates the top estimate at £20,000–30,000. An uncorrected proof copy of Harry Potter and the Philosopher's Stone is estimated at £10,000–20,000, while a set of all seven Potter books signed by Daniel Radcliffe, Emma Watson, Rupert Grint, and Warwick Davis is expected to sell for £7,000–10,000.
Also at Hansons on Tuesday, 187 lots in their April Library Sale.
Christie's New York sells 222 lots of Photographs on Thursday, April 17, including Alexander Rodchenko's 1924 silver gelatin print of Vladimir Mayakovsky ($120,000–180,000); Edward Steichen's photographic portrait of Eleonora Duse (1904) is estimated at $100,000–150,000. Irving Penn's "Woman in Moroccan Palace, 1951" (printed 1992) and Nick Brandt's "Elephant Drinking, Amboseli, 2007" are each estimated at $80,000–120,000.
At PBA Galleries on Thursday, 504 lots of Fine Literature – Mystery & Science Fiction – Bukowski, Beats & the Counterculture, with a signed first edition of Harper Lee's To Kill a Mockingbird expected to lead the books at $10,000–15,000. A copy of the 1925 signed limited edition of T. S. Eliot's Poems, 1909–1925 and of the signed limited edition of the 1892 edition of Oscar Wilde's Poems are each estimated at $7,000–10,000.
Potter & Potter Auctions sells 377 lots of Celestial & Terrestrial Exploration on Friday, April 18, with Bligh's Voyage to the South Sea (1792) and Narrative of the Mutiny, on Board His Majesty's Ship Bounty (1790) are each estimated at $15,000–20,000. A set of the three-volume South Polar Times (1907–1914) could sell for $12,000–15,000.