That's an interesting error called a "gutter fold", and it's caused by a crease in the paper sheet on which a set of bills is printed. Retail values are normally in the $35-60 range.
There are many possible types of misprints. Please post a new and separate question that describes the misprint.
roughly $200,000
The star after the serial number on a 1934 Twenty dollar bill signifies that the note is a replacement or a star note. Star notes are used to replace misprinted or damaged notes before they are released into circulation. They are given serial numbers with a star at the end to differentiate them from regular notes.
It is either worth a lot of money or else it is a conterfeit that was never fully completed!! It will vary, depending on the series, signatures, and condition, but around $150-$200.
The US twenty dollar bill has not been discontinued.
Queen Elizabeth II is on the Canadian twenty dollar bill.
Australian twenty-dollar note was created in 1966.
1848. Silver. Twenty. Dollar. Coin
25
16:30's
Twenty
Andrew Jackson's picture is on the US twenty dollar bill.