The most common and most likely answer to this crossword clue is the 5 letter word DIMES
D
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M
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S
More clues leading to the result DIMES
Buddy explains!

The straight part
We know that "coins" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case coins = dimes.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 DIMES mean?
DIMES noun- A coin worth one-tenth of a U.S. dollar.
- A coin worth one-tenth of a Canadian dollar.
- A small amount of money
- An assist
- A playing card with the rank of ten
- Ten dollars
- A thousand dollars
- A measurement of illicit drugs (usually marijuana) sold in ten dollar bags.
- Payment responsibility
- A beautiful woman (10 on a 10-point scale)
- A defensive formation with six defensive backs, one of whom is a dimeback.