In 2020, I created beautiful illustrations for the stamps of the Post of Slovenia. The block series consists 4 portraits of cats of different breeds.
One of the postage stamps was recognized in the international competition as the most beautiful, taking the 3rd place.
Here you can view the newsletter:
https://en.posta.si/PersonalSite/bulletins/Bulletin%20135.pdf
https://en.posta.si/home/stamps/bulletins
And here is an article about the stamps of the Slovenian Post in the philatelic publication of Portugal from the famous philatelic journalist Mário Paiva
https://o-filatelista.blogspot.com/search?updated-max=2020-11-19T18:48:00Z
I was also awarded attention by a well-known magazine from the Department for the Study of Cats on Stamps (COSSU) It is a non-profit organization (ISN 0891-8635) of the American Thematic Association (ATA), affiliated with the American Philatelic Society (APS).
http://www.catstamps.info/
I gave an interview to this publication.