Pickman's thank you note

Pickman's Thank You Note is a miscellaneous note discovered in a safe after completing the quest Pickman's Gift in Fallout 4.

Detailed Description
After completing the quest Pickman's Gift, the Sole Survivor will be directed to a safe on the ground floor of Pickman's Gallery. A 10mm pistol, 10mm rounds, 5mms rounds, combat armor piece, Pickman's Blade, and Pickman's Thank You Note can be found inside the safe.