They're selling tickets at/for 10 dollars 'apiece'. [=each ticket costs 10 dollars]
She gave the kids a dollar 'apiece'. [=she gave a dollar to each kid]
His shoes weigh four pounds 'apiece'.
(..) - It stands to reason he couldn't have. - Why lie? What's he got to gain? - Attention, maybe. You keep comin' in with bright sayings. Send 'em to a paper! They pay $ apiece! What are you talkin' to him like that for? A guy who talks like that to an old man really oughta get stepped on. (..)1957 12 Angry Men