An exhibit of paintings by Brooke Grucell of Tucson and Jeffrey Palladini of San Francisco, and street-sign art by Boris Bally continues through Sunday, Sept. 29. An artists' reception takes place from 6 to 9 p.m., Saturday, Sept. 7. Hours are 11 a.m to 6 p.m., Tuesday through Saturday; free. Call or visit obsidian-gallery.com
for more information.