Keith Haring’s personal collection up for bids to benefit LGBT group.

Keith Haring. (Photo: © Keith Haring Foundation.)

In collaboration with the Keith Haring Foundation, Sotheby’s will auction more than 140 works from the artist’s personal collection in an online sale this fall. Works by Andy Warhol, Jean-Michel Basquiat, Kenny Scharf, Tseng Kwong Chi, and George Condo, among others…