Answer: Possibly as a joke or out of admiration.
Explanation: Many people incorporate Classic art into jokes as a comical stance, many other people do it as admiration. If you admired a piece of art work it wouldn't be much of a surprise if you tried to recreate it.
The "Copper" was used by the First Nations people as a form of money and wealth. It was made out of "Native" copper which was found in the land where they lived, and superficially resembled a shield. Considered very rare and hard to obtain, raw copper was traded from the Athabaskan Indians in the Interior Plains, or from the white man in later times.
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The most enduring and, arguably, the greatest form of fine art known to man, sculpture has played a major role in the evolution of Western culture. Its history and stylistic development are those of Western art itself. It is a key indicator of the cultural achievements of Classical Antiquity, and became an important influence on the development of Renaissance art in Italy. Together with architecture, it was the principal form of monumental religious art which for centuries (c.400-1800) was the driving force of European civilization. Even today, although continuously evolving, sculpture is still the leading method of expressing and commemorating both historical figures and events.
The ones with the flats and sharps are only half steps
top and bottom on left are whole steps
top and middle on right are whole steps
the rest are half