Hierarchies of Fountain Pen Friendly Paper (Last Updated 6.24.26) — The Gentleman Stationer
(www.gentlemanstationer.com)
Yeah, I suppose they're easy to find in many of 'western' Europe at least. Probably a bit like the Bic brand for ballpoint pens?
Btw, thx a lot as I could not remember the word 'stationary'... must be too hot around here at 38°c, brain must be cooking ;)