Answer
Old pennies
22,000 modern pennies weight about 121.28 pounds , based on 181.4 pennies per pound. The old copper pennies weigh more.
Australian 1964 Pennies were minted in 1964, so as at January 2011, they are 47 years old.
In 2010, they are 94 years old.
240- there were 12 pennies in a shilling and 20 shillings in a pound.
Yes there is a diff between old Canadian pennies and new ones
252 is the answer
15 year old pennies are essentially the same size as those minted today. You'd have to go back to 1857 to find pennies that were significantly larger.
They're not all that rare. If dirty and corroded, about 5 cents each. Really nice uncirculated examples can be bought from a dealer for $1 or $2.
If you are talking dollars then the answer is 400,000 if you are talking old English pounds then the answer would be 960,000 pennies
The new pennies have less mass because they are now mostly made of zinc with a thin copper coating, while the old pennies were made of bronze. The change was made to reduce production costs and to make the coins more affordable to produce.
The Royal Mint advises that in 2008, 180,600,000 Pennies of the old (Ironside) design were minted and, 386,830,000 Pennies of the new (Dent) design were minted. A total of 567,430,000 Pennies for 2008.