The most common and most likely answer to this crossword clue is the 5 letter word CURIO
C
U
R
I
O
More clues leading to the result CURIO
- Unusual item copper linked with port in Brazil
- Canton invested in company to produce strange item
- Illyrian gentleman’s widow regularly off in pursuit of a scoundrel
- Antique copper ring in Orkney, originally
- Antique from ancient city, one with firm casing
- Sought-after item, ‘Arse I’, fitted with ring
- … to begin covering up really interesting object
- Unusual object may make you inquisitive, not us
- Odd thing identified by copper meeting small group without leader
- Regularly scour rhino for furbelow
Buddy explains!

The straight part
We know that "Odd thing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case odd thing = curio.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 CURIO mean?
CURIO noun- A strange and interesting object; something that evokes curiosity.