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Dear Sir,
We are pleased to inform you that the personal box registered with the Yun-Jacobi joint account has been fitted with new locks as part of our routine annual security updates. You will each receive a new key to this box located in our private vault. Both keys are required to access it. Please contact me with any questions.
Your servant,
-Lucretia Morital
[A hand-written note is scrawled across the bottom of the letter]
I oversaw the update personally and kept prying eyes away from our prize. Don't worry, there's no safer place in Karnaca for such a unique treasure. May the Eye watch over it.
-Dolores