Read the "Reproducing Banknotes" of the related Bank of England link carefully since there are quite a few conditions and potentially grey areas.
The same link will direct you to a "Banknote Reproductions Application Form".
There were no Australian Fifty Dollar notes printed in 1984.
$50.00
Ulysses S. Grant.
probably...
not worth the paper it is printed on., own one,
Yes... fifty dollars.
Fifty-five and 00/100The word 'dollars' is usually already printed on the check
It's still legal tender at face value, so yes.
Fifty thousand and 00/100The word 'dollars' is usually already printed on the check
Some plays by New Zealand playwright Roger Hall: Fifty Fifty, Hot Water, Middle Age Spread, Spreading Out, State of the Play, The Share Club, Glide Time, The Book Club, Social Climbers, Love Off the Shelf, Take a Chance on Me, A Way of Life, Footrot Flats, Dirty Weekends, BY Degrees, C'mon Black, Taking Off.
Two hundred fifty and 00/100The word 'dollars' is usually already printed on the check
The 1950 series was printed with that same date into the early 1960s. A new series began in 1963.