The bonus cache for the Medieval Bath Adventure Lab.
The icon is located at St Michaels Without, the first church outside of Bath's Medieval city walls, for those who arrived when the gates were closed. The final is elsewhere but once was Medieval.
Gather the numbers from the Adventure Lab and enter them in the order of ABCDE into certitude to reveal the final coordinates.
Use your phone's native QR code scanner to open this adventure in the Adventure Lab mobile app, or share the following URL:
https://labs.geocaching.com/goto/MedievalBath
You can validate your puzzle solution with certitude.