This isn't your average estate sale — this is a curated mid-century modern collector's estate, going to auction on-site in Philadelphia's Mount Airy neighborhood, Saturday, August 8th and Sunday, August 9th — preview and registration open at 11:00 AM, with bidding starting at 1:00 PM both days.

The collection features named-designer furniture throughout, including a Lane Perception suite (double credenza, record cabinet, side...