I was stranded in Seattle and needed to get to the airport. My train was cancelled
I got metro directions to the airport but needed coins to purchase the fare. Fortunately there was a money changer. I put in a $20 and out poured $18 Sacajawea $1 coins in change.
I was headed for Atlanta where the merchants would treat them like it was a $2 bill
The cash machine at my work 10 years ago gave out change in $1 coin. The vending machines were all adapted to accept them. This was in Nashville.
What happened to the other $2?