(Jimmy of the Clue Crew indicates a door frame at Mount Vernon, VA.)  The detail-oriented Washington even chose Mount Vernon's moldings, which depicted tools to symbolize farming & this type of leaf for national strength
[DOC] [TLE] jeopardy/2698_Qs.txt at master  jedoublen/jeopardy  GitHub [PAR] ... Vernon, VA.) As a symbol of liberty, Washington displayed the ... Vernon, VA.) 
The detail-oriented Washington even chose Mount Vernon's moldings, which 
depicted ... this type of leaf for national strength | an oak leaf.