Sorry honey, but Daddy needs all the pennies in your bank right now.
That’s price per POUND.
The writer is Canadian. All he knows are grams and kilograms.
I doubt he knows the difference between a ounce and a pound.
He most likely considered copper to be measured in the same way as gold, silver and platinum, which is TROY ounces. Which ARE NOT THE SAME AS Avoirdupois ounces..............