Washington dc
That is the correct spelling of the proper noun, meaning the "Smithsonian Institution" (museums and research facilities operated by the US government).
The jeweler's name is Harry Winston, of New York City, New York.
James Smithson's nephew is the one who founded the Smithsonian Institution. James Smithson died in 1829 and left his money to his nephew. The nephew died in 1935 and willed the money to the US to found the Smithsonian.
The Jeffersonian Institute is fictional research institute in the US television program Bones , based on the real Smithsonian Institution.
The U.S. Mint no longer maintains a collection. In 1923 the Smithsonian Institution received the collection and it is now part of their National Numismatic Collection.
Domestic means (having to do with the country itself) so he must have been referring to something within the US. An institution is like The Vatican or the Smithsonian or the National Rifle Association. Its a sort of large group. So maybe Lincoln was referring to an internal US, group.
In Washington DC in the Smithsonian.
New York City
What U.S. city is home to the largest number of naturalized citizens?
James Smithson, a British chemist and mineralogist, left an endowment of nearly $500,000 to the United States upon his death in 1829. This amount was intended to establish the Smithsonian Institution, which promotes education and research in the arts and sciences. Adjusted for inflation, Smithson's donation would be worth millions today, significantly contributing to the development of the institution.
If it were genuine its value would be in the stratosphere because it's one of the rarest of all US coins. Only one was made, at Philadelphia. It's in the Smithsonian Institution Collection in Washington DC. Any other "1849 double eagle" than turns up is a counterfeit.