Wheezy 1800 Contest For The Members From Australia Ended

1800 post quickie contest for Australian members only with 50 or more quality posts.
All the US and rest of the world need not apply.

This is one ONLY for our good friends "down under" who make the CCF a better place.

PLEASE READ CAREFULLY
There are four questions.
There are 2 prizes.
Each winner will receive 1 2009 P Jefferson UNC nickel, typical condition found in a OBW roll.
Shipping is on me.

First to answer any TWO of the four correctly wins.
Do not answer more than TWO questions!

Leave the other TWO questions for the second winner.
Next to answer the remaining TWO of the four correctly wins.

If you are wrong, or do not follow the directions here, you will not be able to enter again.

First Aussie should answer any TWO questions
Next Aussie response should answer the TWO remaining questions.

1. The United States first Half Cent was minted in what year and what is the main characteristic from later year Half Cents that is most prominent and usually is made reference to it for this type?

2. Who was the first President of the United States and what present regular circulating US coin is his portrait appearing on?

3. What is wheezydogs favorite coin to collect and study and which coin from the series is he still wanting above all others?
Avatar is a huge hint!

4. There continues to be a regular portrait of a President on a US half dollar from 1964 to present that was assassinated. Name this president and also name his brother who was running for president in 1968 that was also killed by an assassin.