Sometime by Blizzcon.
A product that you weren’t supposed to get yet? Sure, if you want.
Fixed an issue where bonus items from the Blizzcon Collection were granted early and displayed placeholder content.
-Client Patch - 1.2.0b Build #46384 (All Platforms) - October 20, 2023
Since that patch dropped, I can’t even summon it anymore. It was definitely a bug. Apparently it was supposed to release later, not when the Season started.