Have it 'treated' (5 FATE)
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From: Polish your Antique Constable's Badge
There's a stall in Ladybones Road that claims to have a special technique. They guarantee results.
Game Instructions: This will grant you one Favour: Constables.
Locked with 
7 x Favours: Constables
Cost: 5 FATE
Success
No reward narrative information available for Fate-locked actions.
You've gained 1 x Favours: Constables (up to 7)
Watchful is increasing… (+5 CP, up to level 200 + 
Watchful Gains)
