![William A. Clark House (AKA: The Copper King Mansion; AKA: Clark's Folly) was a mansion built in 1897 by the firm of Lord, Hewlett & Hull in the Beaux-Arts and Châteauesque style William A. Clark House (AKA: The Copper King Mansion; AKA: Clark's Folly) was a mansion built in 1897 by the firm of Lord, Hewlett & Hull in the Beaux-Arts and Châteauesque style](https://preview.redd.it/william-a-clark-house-aka-the-copper-king-mansion-aka-v0-0juxs23hwmy91.jpg?width=640&crop=smart&auto=webp&s=e4659f531bf8e3a4e011367532dbdbcc2e13c803)
William A. Clark House (AKA: The Copper King Mansion; AKA: Clark's Folly) was a mansion built in 1897 by the firm of Lord, Hewlett & Hull in the Beaux-Arts and Châteauesque style
![Nobby Clark's Folly at 250 Douglass Street at the southwest corner of Caselli Avenue- 1964 - Max Kirkeberg Collection Nobby Clark's Folly at 250 Douglass Street at the southwest corner of Caselli Avenue- 1964 - Max Kirkeberg Collection](https://diva.sfsu.edu/bundles/image/1455808.x1000.png)
Nobby Clark's Folly at 250 Douglass Street at the southwest corner of Caselli Avenue- 1964 - Max Kirkeberg Collection
![William A. Clark House (AKA: The Copper King Mansion; AKA: Clark's Folly) was a mansion built in 1897 by the firm of Lord, Hewlett & Hull in the Beaux-Arts and Châteauesque style William A. Clark House (AKA: The Copper King Mansion; AKA: Clark's Folly) was a mansion built in 1897 by the firm of Lord, Hewlett & Hull in the Beaux-Arts and Châteauesque style](https://preview.redd.it/william-a-clark-house-aka-the-copper-king-mansion-aka-v0-541pn53hwmy91.jpg?width=446&format=pjpg&auto=webp&s=a390efaa7b5da9ac065a64a18ce4f16f3751e99e)