https://twitter.com/Avaneshop/status/1059873747073728513?s=19
https://www.avaneshop.com/index.php?main_page=index&cPath=143_149
A really great resource for rare Sailor Moon art (originally posted on Discord by Brit-chan!)
Edit: I did some more digging and found her deviantart which has some great stuff as well!
https://www.deviantart.com/avaneshop/gallery/37977592/Sailor-Moon-Furoku
https://www.deviantart.com/avaneshop/gallery/37927609/Sailor-Moon-All-Other
And this has some rare art too:
http://three-lights.net/gallery/bishoujo-senshi-sailor-moon