See past arrangement for former currency (7)

I believe the answer is:

pesetas

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'for former currency' is the definition.
I can't judge whether this definition defines the answer.

'see past arrangement' is the wordplay.
'arrangement' indicates an anagram.
'see'+'past'='seepast'
'seepast' is an anagram of 'PESETAS'.

Can you help me to learn more?

(Other definitions for pesetas that I've seen before include "cash, once" , "Old Spanish money" , "Spanish bread no longer used" , "Units of Spanish money" , "Old units of Spanish currency before euros" .)

I've seen this clue in The Irish News.

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