New Kunteres חותם של אמת

[Doorknob]

I saw on the Otzar Hachochma forum a new kunteres called חותם של אמת. It discusses mainly the historical proofs that the murex was used for blue, and touches on some other subjects as well. You can download it for free here.
https://forum.otzar.org/viewtopic.php?f=52&t=63543