Cryptic crossword clue
Spooner’s authentic furniture material that may come with a cost 5,4

The most common and most likely answer to this crossword clue is the 5 plus 4 letter word POUND SIGN

I've seen this crossword clue in Financial Times
P
O
U
N
D
S
I
G
N

Buddy explains!

The straight part
We know that "come with a cost" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case come with a cost = pound sign.
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.

Crossword Answer definitions

Latest crossword clues with full explanations