Because there are no 1967 pennies. Decimal currency started in 1966.
Actually, 1966 pennies should be worth more than 1967 pennies as a 1967 penny would be a fake.
CorrectionThis question was posted in US Coins so it refers to US 1-cent pieces by their slang name.It's actually a rather lame joke. The answer is (ba DING!) "1,967 pennies are worth $19.67 which is one cent more than $19.66"
They aren't.1967 and 1968 pennies both have very high mintages and are in common circulation, they are only worth a penny.
If you are talking about US coins. They aren't. Both are worth face value unless in a mint set or completely flawless (it won't be completely flawless if you find it in your pocket change!).
They are worth more because less were minted.
One roll of pennies has a face value of a 50 cents. However, if there is a penny in the roll that is worth more than 1 cent the roll will be worth more.
Due to the rising price of copper, pennies were worth more than face value.
They aren't.1967 and 1968 pennies both have very high mintages and are in common circulation, they are only worth a penny.
If you are talking about US coins. They aren't. Both are worth face value unless in a mint set or completely flawless (it won't be completely flawless if you find it in your pocket change!).
They are worth more because less were minted.
Two pennIes
They're not.
The pennies value is a bit more then it's worth
...but only a penny more!
Unless they are in Brilliant Uncirculated condition (in which case they may be worth half a dollar or so), they are worth no more than ten cents.
The 1949 Australian pennies are worth more than 50 United States Dollars.
Usually S mintmark wheat pennies are worth more.
A three year old is likely to see five pennies as more money than a nickel because they may count each individual penny as a separate unit, whereas a nickel is seen as one single coin.
One roll of pennies has a face value of a 50 cents. However, if there is a penny in the roll that is worth more than 1 cent the roll will be worth more.