Supposed license: https://imgur.com/a/ROFijJq
That info has to be an outdated info and, in a way, "misleading", as [unless I understand the process wrongly] the old four-master-license-holders were now obsolete following Curacaoan govt. revamping their gambling law.
However, the seal of validation should work. I checked from my side, they're verified to be under Anjouan
I'll try to get Zane to make a follow-up with their web builder to make a subsequent change.
Mind to lock it as well? That's kinda "put a final nail" to the closed case. The button to lock a thread is located at bottom left of the page.