Top Secret

This Heirloom is randomly for sale for 600 Simcash in the Heirloom store.

Location: Parkside

This quest pops up between levels 12 and 17. The walkthrough:
https://www.phantomlover1717.nl/home/top-secret-mission-secret-agent-career/

History:
This Heirloom was a prize for the Top Secret quest.