The most common and most likely answer to this crossword clue is the 6 letter word FLORIN
I've seen this crossword clue in The Daily Telegraph
F
L
O
R
I
N
More clues leading to the result FLORIN
- Pirate almost stealing gold coin
- Fellow cut across river for 10p once
- Bob twice gets this old piece of silver
- Previously needed to purchase fluoride-iron compound
- Not good to throw around gold coin
- In favour of accepting a pound in coin
- State prosecutor’s lost new coinage
- German boy turned up at home with an old British coin
- Coin almost cast without gold
- German boy mounted popular British coin some years ago
Buddy explains!

The straight part
We know that "British coin some years ago" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case british coin some years ago = florin.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 FLORIN mean?
FLORIN noun- The currency of Aruba, divided into 100 cents, symbol ƒ.
- A pre-decimal British coin, worth two shillings or ten new pence.
- A guilder (former currency unit of the Netherlands).
- Any of several gold coins once produced in Florence, Italy.
- A pre-decimal Australian, and New Zealand, coin, worth 24 pence or a tenth of a pound.