Stamped: Pat. Apl. June 21, 1887.
John Campion Mansion (800 Logan St, Capitol Hill, Denver, CO, 1896-1963). Architects: Aaron Gove and Thomas Walsh. John Francis Campion (1848-1916) made his fortune from mining in Leadville, Colorado and sugar beets.
Patent date 1887
Width 13.75 Depth 17 in.