It's called a Susan B. Anthony dollar rather than a Liberty dollar. If you found it in change it has no extra value, so feel free to spend it.
$1 in 1980 was worth $2.61 in today's money.
The 1989 American Silver Eagles were issued as Proof and Uncirculated. Today the proof coin has an average market value of $25.00, uncirculated is $23.00.
1980 would make it a Susan B. Anthony dollar, and it's still worth one dollar.
1.00
1 dollar
The only dollar coins issued in 1980 were made of cupro-nickel, not silver. They're only worth face value.
It's still worth one dollar.
If you took the annual inflation of 3.32 percent and took $1 from 1980, it would be worth $3.03 in 2014. The total inflation is over 200 percent.
It's still worth 50 cents.
$1.00 in 1980 had the same buying power as $3.08 in 2016.
He is asking about a 1980 LIBERTY Silver Eagle. It is a bullion coin that predates (and was privately minted) the American Silver Eagle (1986). The confusion comes from the reverse having the inscription “One Silver Eagle” which many know to be synonymous with “one silver Dollar“. It is not legal tender and is worth its weight in silver and any premium you can squeeze out of a collector.
How much would 130000 dollars from 1980 be worth today