"Ounce of Space" Walking Liberty

In regards to the "U.S. mint" I am finding with many of these advertisements, are they referring to U.S. denomination? The "$1" bit or are these minted by the U.S. government. Thus far I have failed to find them on the U.S. Mint website.
http://www.powercoin.it/en/ame...in-1-us-mint-2016.html
http://www.powercoin.it/en/ame...in-1-us-mint-2016.html
Need advice -- bullion or walking liberties
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In honor of the memory of Cpl. Michael E. Thompson
They are generic American Silver Eagles struck at the US Mint and then altered by a company with an Italian website and offered back into the market. This is really no different than those enameled American Silver Eagles that we see offered all over the place by private "mints" and other private sellers.
Ahh thank you for the information!
U.S. Type Set