Penny mistake makes millions! ($100k+)

Tilted Brush Stroke
Curved Dotted Line

1 billion 1943 pennies made, but only 15 special.

War caused copper shortage, pennies made of steel.

Few accidentally made from copper, became valuable.

Most valuable sold for over $1 million! (Wow!)

but only 2 exist, most valuable sold for $475,000!

1970s mint tested aluminum pennies.