There's nothing called a "cartwheel effect". The coins were simply nicknamed "cartwheels" because of their size. At 38 mm in diameter, they were the largest circulating coin. Even double eagles ($20 gold coins) were smaller in diameter.
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These coins are more formally known as Morgan dollars after the name of their designer. They got the nickname "cartwheels" because of their large size, about 38mm. Please see the Related Question for more details.
No, in fact there are no 1876 Morgan dollars because the first year of issue of the Morgan dollar was in 1878.
George T. Morgan is famous for designing and engraving the Morgan Silver Dollars (1878-1904 & 1921), which are named after him.
Cartwheel is not a dance.
The "Morgan" of the Morgan dollars was the designer of the coin: George T. Morgan. The face on the obverse of the coin is a generic representation of Lady Liberty. See the Related Links for more information on the Morgan dollar and its designer.
Morgan dollars.
US Trade dollars have more silver in them than Morgan dollars do. But in general the Morgans have higher values.
Most common Morgan silver dollars are worth around 20 to 40 dollars in lower circulated condition. See the link below for a price guide and then you can see common Morgan silver dollars.
Yes, Morgan dollars are made of 90% silver and 10% copper. They were minted in the United States from 1878 to 1904, and again in 1921.
a cartwheel with no hands is... A SIDE AERIAL.
This would be a cartwheel performed with no hands.