Style, as from Amiens (4)

I believe the answer is:

mien

'style' is the definition.
(thesaurus)

'as from amiens' is the wordplay.
'from' suggests deleting specific letters.
'amiens' with 'as' taken away is 'MIEN'.

(Other definitions for mien that I've seen before include "Appearance is strangely mine" , "Bearing, demeanour" , "Counterance - mine?" , "A manner like mine" , "Appearance, bearing" .)

I've seen this clue in the Evening Standard.

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