16.95
Hour Magazine - 1980 was released on: USA: 8 September 1980
The U.S. Mint does not make "proof mint sets" of any year. The two types of sets have very different coins in them. A 1980 PROOF set has a current value of $5.00 and was issued for $10.00. A MINT set has a value of $8.00 and was issued for $9.00.
The only dollar coins issued in 1980 were made of cupro-nickel, not silver. They're only worth face value.
There are a dozens of stamps issued in the 1980s. You will have to consult an online catalog for information to figure out which one you have. That will provide you an estimate on the value.
Slipstream Magazine was created in 1980.
Flexipop Magazine was created in 1980.
Young Magazine was created in 1980.
Blackwood's Magazine ended in 1980.
Nuestro Magazine ended in 1980.
Fantastic - magazine - ended in 1980.
Royalty Magazine was created in 1980.
Sick - magazine - ended in 1980.