It means it was minted at the San Francisco Mint. The other common ones are Denver and Philadelphia.
The phrase means that something is very expensive. The origin comes from a gold penny that was minted in the 1200's that was worth 20 silver pennies. Because it was gold, it was a pretty penny, and if it cost a pretty penny, it was expensive indeed.
His Majesty's Ship.
it stands for snow.
Dated Achievable Personal Positive S.....
walker
Just cost penny
copper penny nails
Garth Brooks
No
It is worth a penny
Will Penny
i have a1952d penny with an J and an S stamped on it.......by it;s face....
J.C. Penny
A 1909-S VDB penny!
Where they were minted
On the ground directly in front of the stage. They paid a penny to stand there, and are known as "groundlings".
It was minted in the Denver mint