Shaw's Best Factory, Helena, MT ID: 5279 | This file appears in: Shaw's Best Factory Digital photo of Montana Peerless Baking Powder shipping box. | Creator: Daniel Sidor, photographer. | Date: Jan 2021 | Source: National Register of Historic Places nomination form for Shaw's Best Factory by Ellen Baumler. On file at the Montana State Historic Preservation Office, Helena, MT. Download Original File CreatorDaniel Sidor, photographer.SourceNational Register of Historic Places nomination form for Shaw's Best Factory by Ellen Baumler. On file at the Montana State Historic Preservation Office, Helena, MT.DateJan 2021 "Shaw's Best Factory, Helena, MT" appears in: Shaw's Best Factory