Ferdinand Pettrich1798–1872お目にかかれますか?
一般公開されています。裏付けとなる出典は下に記しています。
Pettrich modeled this portrait around the time that he executed what has become his best-known statue, that of General George Washington in the act of resigning his commission as commander of the army. Confident from the success of that monumental work, he represented himself in his professional garb as a skilled sculptor.
スミソニアン・アメリカ美術館