A Bag of Gold

A Bag of Gold is started by finding the Gold Coin in the Suggested Content section of Adventure Guide.
:A Bag of Coins
:There appears to be a bag of coins tucked into your Adventure Guide.
:Sweet, free money!
==Rewards==
You will receive:
*
==Completion==
It's understandable that someone might be able to slip a single coin into your journal, but an entire bag of coins?
Why would someone be gifting you so much money? And if they have access to your Adventure Guide, what else do they have access to?
==Progression==
==Patch changes==
*
==External links==