A San Francisco gardener made an unusual discovery while working in his backyard – a limestone sculpture of unknown origin. The bust’s appearance has baffled experts, with over fifty consulted so far unable to determine its history or creator. Its location close to a local art school has led to speculation of a connection to the 1939 Golden Gate International Exposition. The sculpture’s material and style offer few definitive clues, adding to the intrigue. Despite the mystery, the homeowner plans to keep the sculpture prominently displayed in his garden. For now, the bust remains an enigmatic and captivating find.