You could do a search on eBay. This would not require you to sell the items, but will give you an idea of what they are actually selling for in the 'real world'.
You can also purchase Beckett Baseball Magazine just about anywhere. They have a lot of information that would get you close on value. Additionally, for a fee, Beckett will also grade the quality of your cards, which has a significant impact on its value. See Related Links below Tuff Stuff price guides
They were invented in the 1970s, and they got popular in the 1980s.
no, he was introduced in the late 1980s
1960s: bubblecut 1970s: Malibu 1980s: Peaches N Creme 1990s: Totally HairTotally Hair
Rock artists in the 1970s and 1980s included the Rolling Stones, the Eagles, the Bee Gees, Michael Jackson, Diana Ross, Madonna, and Bob Dylan.
Question is incomplete. No answer possible without more details.
late 1970s and early 1980s
Developed in the 1970s and first one was in the 1980s
Al Hrabosky, a major league baseball relief pitcher in the 1970s and early 1980s, was known as "the Mad Hungarian."
it was built in late 1970s' 1980s'
Of course they are.
It's the syle of art that was out in late 1970s and early 1980s
It's a slang term for a home run. Reggie Jackson was fond of using the word when the played for the New York Yankees in the 1970s and early 1980s.
Not from Alica or any tropical storms of the late 1970s or 1980s.