Name for an old liquid asset (5)

I believe the answer is:

tessa

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'name' is the definition.

'liquid asset' is the wordplay.
'liquid' indicates an anagram.
'asset' with letters rearranged gives 'TESSA'.

'for an old' is the link.
This may not be right. Some or all of it may be part of another bit of the clue.

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(Other definitions for tessa that I've seen before include "Woman" , "Dahl or Jowell" , "Tax-exempt special savings account" , "Girl's name; former savings account" , "Girl's name, forerunner of ISA" .)

I've seen this clue in the Evening Standard.

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