Sometimes you gotta go literal!
And just for fun, here's a look at our changing 1-cent coin. The 1980 penny is there because it's from one of the last years before the Treasury switched our cents from 100% copper to copper-coated zinc.
I hadn't even seen that new 2010 penny design before. It looks like Superman's shield.
They've all got Abe Lincoln on the front, of course.