The most common and most likely answer to this crossword clue is the 4 letter word OBOL
I've seen this crossword clue in Financial Times
O
B
O
L
More clues leading to the result OBOL
- He passed on watch in return for old coin
- Shy over flipping Greek coin once
- Toss something round up — an old coin
- In America wolf up bit of Thucydides
- Cockney vagrant maybe left old coin
- Stygian fare
- Starts to overcome boycott on lovely old Greek capital
- For flipping, throw over ancient coin
- Drachma’s part in Euro bollocks
- Stygian fare?
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 OBOL mean?
OBOL noun- A silver coin of Ancient Greece.
- A weight, equivalent to one sixth of a drachma.