On the one hand, it costs only 5 cents to produce a $1 bill and 18 cents to produce a $1 coin, the report states. But the lifespan of a $1 bill is much shorter -- 4.8 years compared to 30 years.

On the Australian one dollar coin, you will often find the famous representation of a mob of five kangaroos. But when did the kangaroo first appear on money? My new research, published in the ...

A rare $1 coin minted in 1921 could be worth up to $132,000. ... In the United States, there’s a one-dollar coin worth up to $132,000. Here’s how to identify if you have one.