Lisnaholic

That's an unusual and very attractive arch, Mindfulness. Lots of arches are in buildings, of course, where they do an important structural job, but free-standing arches like yours are mainly decorative, so there is a lot of pressure to look nice. Here are a couple of others, though not rustic like yours:-

< Somme War Mermorial, France



That's a good comparison; it never occured to me, but now I can't un-see it.

Yes a bunch of revisions, I'm sure. Back in my day, revisions were always recorded in a column above the title block, like this:-



Also, they are invariably by letter. I once worked on a project that had been running for years, and had to change a drawing that was already at revision "R", so my changes were revision "S" - and that was the furthest up the alphabet that I ever saw !

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"Am I enjoying this moment? I know of it and perhaps that is enough." - Sybille Bedford, 1953