> Provided your audience realizes that a US "penny" is a thing. I live in a land that actually has a unit of currency called a penny, the US does not. W Germany

> Provided your audience realizes that a US "penny" is a thing. I live in a land that actually has a unit of currency called a penny, the US does not. W Germany used to have a pfennig and I can't remember what 100th of a Dutch gilder was called If it's being used for scale in an image, why does it matter if they know the name of it rather than knowing how big it is? Do people need to know who the bearded man is on the front of it as well?