Nothing turns a man’s head more certainly than the appearance of a mysterious woman in black. She’s elusive and worthy of further investigation. This lady, believed (by the editor) to have been named Mary Gisford, represents a real Calistoga mystery at this writing. This photograph of her bears the inscription, “Compliments of Mary, Mollie and Mr. Patten.” It also bears the date on the back in the 19th Century when this picture was taken. Can you name that date?