The regalia paper is terrible at handling fountain pen ink. Not recommended at all. It bleeds through and feathers/freckles at places. Makes a fine line look like a broad.
The Regalia paper is a good paper for fountain pens but it’s not a replacement for Tomoe River paper. The coating on Regalia is not as smooth as Tomoe River so you get more feedback from the pen nib. I find this to be a plus. The Observer journal had a damaged corner on the front cover. This probably came from inserting the journal into the cover. Overall I’d give the Observer Journal an 8.5 OUT OF 10.