5700 Germantown Avenue in Philadelphia, PA.  In the colonial Germantown Historic District on the NRHP.  According to the NRHP inventory: "Vernon Hall, originally Langestroth Building; 1860; extensive alterations and new elevations 1926, Frank Hahn, architect, three stories, Limestone, Art Deco style --- Significant"  
In Vernon Park, associated with the Wister family
<a href="//commons.wikimedia.org/wiki/User:Smallbones" title="User:Smallbones">Smallbones</a>
2010-10-13
<span class="int-own-work" lang="en">Own work</span>