Item 20513 - Union Mutual Life Insurance building, Portland, ca. 1890 Item 20513 - Union Mutual Life Insurance building, Portland, ca. 1890 Contributed by Maine Historical Society Item 20513 Zoom 3763px x 3554px - 12.5"w x 11.8"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The Union Mutual Life Insurance Co. headquarters in the Fluent Bock at 396 Congress Street in Portland, at Exchange Street. Show Details