SAVE THOSE PENNIES KIDS AND MORTGAGE PAYERS !!!!!!!!!!!

So what can two 400LB  boxes of pennies do ? Start collecting and find out ! (read the link)

How many mills make a penny ?

Ten, but there never has been a mill, as such.

The mill rate was devised to work out certain tax applications. The smallest  coin has always been one cent.

http://content.usatoday.com/communities/ondeadline/post/2012/07/mass-man-pays-off-mortgage-with-800-pounds-of-pennies/1