The most common and most likely answer to this crossword clue is the 5 letter word FIVER
I've seen this crossword clue in The Daily Telegraph
F
I
V
E
R
More clues leading to the result FIVER
- Financier's case containing this writer's money
- Creation of 16 across, money
- British tech designer in France making some cash
- Note minister provided, written up
- Note writer’s visiting father
- If recalled, clergyman will return note
- Sheriff I ve recalled keeps note
- Paper money I have cast into fire regularly!
- Note number on back of car
- Note in brief I’ve recorded
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FIVER mean?
FIVER noun- A banknote with a value of five units of currency.
- (by extension) The value in money that this represents.
- A clenched fist.
- A mathematical puzzle played on a 5 × 5 grid.
- A Zaydi Shiite Muslim, who disagrees with the majority of Shiites on the identity of the Fifth Imam.
- A person who gives five percent of their income or five hours a week of their time to charity (a reduction of ten percent tithing).