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Spades, not new, get auctioned (4)

Ross

I believe the answer is:

sold

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'auctioned' is the definition.
The answer and definition can be both to do with ownership as well as being past participle verbs.
Maybe there's an association between them I don't understand?

'spades not new' is the wordplay.
'spades' becomes 's' (abbreviation in card games).
'not new' becomes 'old' ('old' is the opposite to 'new').
's'+'old'='SOLD'

'get' acts as a link.

Can you help me to learn more?

(Other definitions for sold that I've seen before include "Retailed" , "Exchanged for money" , "Handed over for money" , "Betrayed for money" , "Persuaded" .)

I've seen this clue in The Mirror.
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