George Washington
$1175
Approximately $956 in our day
zero
Its a not valuable it's from 1950s-60s. Its a copy it can be worth $100 or less
The CSA ceased to exist in 1865, so I would guess $0.00.
$1.50 (One dollar and fifty cents)
A dollar fifty is 100% of $1.50
With that serial number, it's a known replica from gift shops. You might be able to get 50 cents for it.
two for fifty cents is cheaper than two for a dollar
How to fifty cents make one dollar
There were no Australian Fifty Dollar notes printed in 1984.