Greece
Date of Issue: 15th May 2024
two stamps se-tenant (2.- & 3.- €)
both stamps are also issued in one booklet of 4 stamps (2 of each) - the stamps from the booklet haven't a perforation on two sides
1. Greater argonaut (Argonauta argo) - IUCN Red list - Wikipedia article
2. Pseudotorinia architae - Wikipedia article