Graverobbers' Spree is a common miscellaneous item which can be used in the quest Stop the Presses.
This article about the hum-drum of Baldur's Gate doesn't talk about your arrival in the city.

An article block primed for loading into a eager printing press.
Properties
Miscellaneous Items
Rarity: Common
Weight: 2 kg / 4 lb
Price: 14 gp
Where to find
Baldur's Mouth X: 58 Y: -42 - in a wicker basket.