This was released as a free promo adventure for RPGA sanctioned play.
From the Introduction...
A new dawn has arrived in the early morning on Oerth. What adventures await the unsuspecting? New adventurers arrive every day to the Gem of the Flanaess seeking riches or to just take in the wonder that is Greyhawk City. Will this day be no different or will adventure find you?
A one-round Core Introduction adventure set in Greyhawk City for characters level 1-4 (APL 2 only). This is the first adventure in the series of Living Greyhawk Core Introduction Adventures.