The phrase "penny piece" refers to a small coin that is worth one cent. It can be used to describe any coin that is the equivalent of one penny. Full definition
So she'd sold her corn, but it didn't earn her much, just pennies a piece. (bookbrowse.com)
Taking the game around the Desert track delivers a massive nostalgic kick that will go straight to the core of anybody who remembers feeding arcade machines an entire tube of fifty pence pieces back in the day. (metacritic.com)
Newcastle - born, London - based artist Michael Dean, 38, has deposited millions of penny pieces in his room. (theguardian.com)