(HILLSDALE, N.Y.) – Architecture for Art Gallery (AforA) will offer a two-day holiday art sale Saturday, December 3 and Sunday, December 4, 2011, from noon to 7pm, featuring selected works under $1,000 at 25% off. Artists represented include Mona Mark, Guy Nouri, Grigori Fateyev, Andrew MacNair, Jon Piasecki, Jim Holl, Jim Long, Ieva Mediodia, Bart Gulley, Martha Bone, and…