Sculpture Mystery in San Francisco

The limestone sculpture Greg Gatwood dug up while landscaping his backyard. Source: NBC Bay Area on YouTube.Greg Gatwood, a resident of the Russian Hill neighborhood in San Francisco, thought he had hit a piece of concrete while digging in his backyard. But when he unearthed the obstacle and turned it over, he saw a face.This wasn’t mere construction debris. It was a work of art. Gatwood’s partner Judy Gittelsohn, an artist herself, realized the approximately two-foot-square, nine-in