Please check your coin again and post a new, separate question. Morgan dollars were minted from 1878 to 1904 and in 1921.
The first Morgan dollar was issued in 1878. Please look at the date again and post new question.
Please look at the coin again and post new question, the New Orleans Mint did not strike any dollar coins in 1871
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Type in "1871 Liberty Seated dollar coins" in your search box an click images. This will show you the coins.
Keep in mind that not all silver dollars have the CC mintmark. If your coin does have a CC mintmark it would be above the DO in dollar on the back of the coin.
The first Morgan dollar was issued in 1878. Please look at the date again and post new question.
Please look at the coin again and post new question, the New Orleans Mint did not strike any dollar coins in 1871
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There is no such coin. Canada did not have any coins over 50 cents in 1871.
Type in "1871 Liberty Seated dollar coins" in your search box an click images. This will show you the coins.
Keep in mind that not all silver dollars have the CC mintmark. If your coin does have a CC mintmark it would be above the DO in dollar on the back of the coin.
A US Silver dollar weighs 26.73 grams. Of that, 90% is silver and 10% is copper. Note: those numbers don't apply to Eisenhower dollars from the 1970s, which are mostly copper with a bit of nickel.
With no mint mark on the back, about $250 in average condition. With a "CC" mint mark, about $3500. If you have a coin with a CC mint mark, it should be authenticated by a dealer or grading agency to ensure that it's not a counterfeit.
The term "Morgan dollar" refers to the standard silver dollars designed by George T. Morgan and minted from 1878 to 1904 and in 1921. Trade dollars were struck for use in international trade and were designed by William Barber, who was more famous for creating the images used on dimes, quarters, and halves from 1892 to 1916. Please see the Related Question for more information.
Augustus De Morgan died on 1871-03-18.
Nova Scotian dollar ended in 1871.