Douay-Rheims is the old og catholic translation, from before the kjv, by a few years* (the modern one most buy is an update of this of course)

It has the dueterocannonical books like Tobit (Tobias), which some prots call the ‘apocrypha’ (calling it that helps them to justify to themselves their taking out books of the bible I guess). Doesn’t include Jubilees, that one is truely apocryphal. It also has some old naming and follows the organisation of the original Septuagint (the og Greek translation), so that some of the psalms (after psalm 10 IIRC) are numbered 1 lower, until nearly the end.

I think the Douay Rheims is very important but it’s clunky in the same way the kjv is. If you’re wanting the easiest of reads, this isn’t it. But its old, predates the modern nonsense, includes all the books the faithful had been using since the beginning*. There’s a lot to be said for having it be one of your main bibles.

There’s a nice side-by-side version of it with the Latin vulgate from baronius press.