ATLANTA – A 1984 photographic collage by David Hockney and a monumental 19th-century Georgian breakfront are a few of the expected top lots in Ahlers & Ogletree’s Spring Estates & Collections auction slated for the weekend of April 9-10. More than 1,000 lots will come up for bid, and start times on both days are 10 am Eastern time. Absentee and Internet live bidding will be available through LiveAuctioneers.