Achh! So I understand everything now!
This cat on the photograph is probably the one confiscated (and may be a hybrid like confiscated tigers). If I read zoo's statements correctly he was never consider as a pure, only "a leopard cat".
The one who came from Czech Republic, 'Czesio', looks sturdily more like 'euptilura'. Photos of this cat are on a Zoo Poznań Official Site's fanpage, so I shyly invite to discussion about

.
According to history of Amur leopard cats - yes, Poznań bred this subspecies. I saw the last female in 2016, very old. I don't know how long she has lived here after '16.