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> The newer pennies are not really worth the effort as they are mostly zinc.

They're still worth $1 per lb., and you have to destroy them, anyway.

It's their mix with copper I beleive that makes them less valuable than their raw value in zinc if thats what your number is based on...

because the cost of seperation from the copper is greater than simply sourcing other materials.

I read this as a joke ($1/lb because 100 pennies weighs about a pound - although online sources make it sound like it's closer to 200 pennies for a pound)

Someone producing brass (copper-zinc alloy) could presumably use them, as they only need to add extra copper.

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