Two Vintage Eagle Silver Bars

It is said the eagle was used as a national emblem because, at one of the first battles of the Revolution (which occurred early in the morning) the noise of the struggle awoke the sleeping eagles on the heights and they flew from their nests and circled about over the heads of the fighting men, all the while giving vent to their raucous cries. "They are shrieking for Freedom," said the patriots.
Thus the eagle, full of the boundless spirit of freedom, living above the valleys, strong and powerful in his might, has become the national emblem of a country that offers freedom in word and thought and an opportunity for a full and free expansion into the boundless space of the future.
--Maude M. Grant

^{Source of video snippet: Assassin's Creed I - II - III & IV trailers compilation of Altair, Ezio, Connor & Edward, countdown for Assassin's Creed Black Flag.}

The reverse of US gold coins, the silver dollar, the half dollar and the quarter, depicts an eagle with outspread wings. The Great Seal of the United States depicts the American Bald Eagle as the heraldic emblem and a distinct symbol of the nation and of US authority.

Living as the eagle does on the tops of lofty mountains, amongst the magnificent grandeur of Nature, the eagle has unlimited freedom, sweeping into the valleys below, or upward into the boundless spaces beyond... the eagle represents freedom.

^{All photos, gif and silver shown below belong to @silversaver888}