Soft-top perhaps might display blemish (6-3)

I believe the answer is:

sports-car

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'soft-top perhaps might' is the definition.
I can't tell whether this definition defines the answer.

'display blemish' is the wordplay.
'display' becomes 'sport' (to sport an item is to wear or display it).
'blemish' becomes 'scar' (scarring is a kind of blemishing).
'sport'+'scar'='SPORTS-CAR'

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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