Cyan partnered with the professionals at Fangamer to create the best rewards for all backers.
Fangamer also handled the distribution of all backer rewards.
Digital rewards were sent on May 18th, 2023.
Physical rewards shipped in early 2024, and all have been distributed at this time.
If you have any questions about your Firmament rewards, please email [email protected] immediately.

Fangamer also has a bunch of great Myst items on their site.
Check them out here: https://www.fangamer.com/collections/myst