Crossword Genius

Good money given by member, tip included in change (5,6)

Ross

I believe the answer is:

legal tender

'good money' is the definition.
(I've seen this before)

'member tip included in change' is the wordplay.
'member' becomes 'leg' (leg is a kind of member).
'tip' becomes 'end'.
'included in' indicates putting letters inside.
'change' becomes 'alter' (synonyms).
'end' placed within 'alter' is 'altender'.
'leg'+'altender'='LEGAL TENDER'

'given by' acts as a link.

(Other definitions for legal tender that I've seen before include "Valid currency" , "... [HALF CROWNS] no longer this" , "Official currency" , "Good money" , "coins?" .)

I've seen this clue in The Telegraph.
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