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Most silver dollars are worth 15-20 dollars. Certain rare mint marks can increase the value. And, of course, condition is very important.
Kennedy half dollars dated from 1965 to 1970are only40% silver. A 1966 is not rare, most are only valued for the silver about $5.
The 1966 Voyageur silver dollar with small beads around the edge is one of the most valuable silver dollars. It's listed at over $1700. Don't confuse it with the regular 1966 which is worth about $4 or 5.
No simple answer, many US silver dollars are considered rare for different reasons, be more specific and post new question.
They're not silver, they're brass. The last silver dollars were made in 1935. In any case Sacajawea dollars are not rare at all, and any that you get in change or from a bank are only worth face value.
For Morgan dollars, Carson-City mintmarked coins are common, but some dates are considered scarce and some are rare in the higher grades. But no, not all CC Morgens are rare.
Unsurprisingly, they're worth $1. Rare issues might be worth more to a collector, but as tender they're still a dollar, and most silver dollars one comes across are not collectible.
AU means almost uncirculated which is a grade for the coin, depending on the grade on the coin and the year of it, the value of the coin can be from $25 for the most common and lowest grade dollars all the way to $575,000 for the second highest grade, most rare silver dollar(1893S)(no proof 70 silver dollar has ever been found)
There is a 1921 dime that is estimated to only have 400 left.
it has no value and is by far the most rare
No simple answer, many US silver dollars are considered rare (1893-S, 1895, 1873-S) for different reasons, be more specific and post new question.
Yep, the value will lower. Some silver dollars are worth only there silver content so it will not affect the value those as much as rare coins. I suggest never attempt cleaning a coin.