USA 1-DOLLAR (KM551)

The original Sacagawea dollar (KM310) was minted from 2000 to 2008. In 2009, the US Mint started an annual Sacagawea series -- the Native American Dollar Program -- with different reverse designs. The US Mint went to great lengths to encourage these coins to circulate, at least during the first three years of the program when over 200 million coins were minted. It didn't work very well. 

The 2013 coin was the fifth in the series and commemorates a treaty with the Delaware tribe, allowing passage through their land and the recognition of their status as a sovereign state. The wolf, turtle, and turkey are all symbols of different clans of the Delaware tribe.

Here's my advice to the USA: Discontinue the one dollar note! It's that simple. With the note gone, everyone will use the coin that costs almost 10 times LESS* to produce.

* Based on a note costing 5.4¢ with an average lifespan of 22 months and a coin costing 10¢ with a lifespan of 30 YEARS.