face value
Face value only.
A Centennial penny, uncirculated, varies in price from $1 to about $8.
SIMPLE ANSWER: No US coin dated 1965, 1966 or 1967 will have a mintmark, it's just a penny.
It's worth about 2.5 cents due to copper content.
About 2 cents, due to the copper content.
They aren't.1967 and 1968 pennies both have very high mintages and are in common circulation, they are only worth a penny.
Assuming you mean a U.S. cent and not a U.K. penny, yes - it's worth its face value, but nothing more.
If by a "silver penny" you mean one of the 1943 steel cents, then in mint condition it's worth a dollar or two. If you mean some other date, then it's silver plated and has no collector value. And your 1967 penny has been altered -- no added value.
Two cents for the copper.
From 1860 to 1967, the British bronze Penny was 30.81 mm in diameter.
It is worth 1 cent. I know it seems that it should be worth more, but because there were so many made it isn't.