William K. and Alva Vanderbilt mansion, 660 Fifth Avenue, New York City

Photograph shows mansion designed by Richard Morris Hunt.

Stamped on recto: "Return to Richard M. Hunt, architect."
Gift; American Institute of Architects / American Architectural Foundation; 2010; (DLC/PP-2010:100)
Forms part of: The AIA/AAF Collection (Library of Congress)
Accession box no. DLC/PP-2010:100 no. P79.439 WV1 black box