Unknown Hallmark on Grapefruit Spoons

I have just acquired these spoons but I can’t identify the hallmark I believe it originates from Scotland, I as told it was Aberdeen because of the AB but to my knowledge Aberdeen would be represented by ABD and no suggestion to who PA was and I have looked it up and can’t find any record of the mark in Scotland. Would be grateful if anyone had any ideas.
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Hi there,

It could be a mark of Pierre Amiraux of Jersey.

Cheers,
Ben