the icon is
From Rsterbal in SN
https://meta.miraheze.org/w/index.php?title=Stewards%27_noticeboard&curid=662&diff=9032&oldid=9018 see in meta
Logo must be stored on the wiki, preferably 135px*135px. Upload the logo as a file on local wiki, and tell us the filename.
It's not a high priority task. Thank you.