The most common and most likely answer to this crossword clue is the 5 letter word SABLE
I've seen this crossword clue in The Times
S
A
B
L
E
More clues leading to the result SABLE
- First of bids in auction for a fur
- Gloomy bishop opening church bazaar?
- Black fur
- Fur, first of bargains in market
- Expensive fur bought up front in transaction
- Jet from Brazil unloaded in small enclosure
- Fur bought initially during offer period
- Black book central to special offer
- Black bishop captured in stratagem to move more material
- Shows competence when dropping first black
Buddy explains!

The straight part
We know that "fur" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fur = sable.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 SABLE mean?
SABLE noun- A small carnivorous mammal of the Old World that resembles a weasel, Martes zibellina, from cold regions in Eurasia and the North Pacific islands, valued for its dark brown fur (Wikipedia).
- The marten, especially Martes americana (syn. Mustela americana).
- The fur or pelt of the sable or other species of martens; a coat made from this fur.
- An artist's brush made from the fur of the sable (Wikipedia).
- A black colour on a coat of arms (Wikipedia).
- A dark brown colour, resembling the fur of some sables.
- (in the plural, sables) Black garments, especially worn in mourning.
- Of the black colour sable.
- : In blazon, of the colour black.
- Made of sable fur.
- Dark, somber.
- Dark-skinned; black.