Good Grief, CN... I was almost done editing my J6 post, and the Edit Timer expired -- no warning, no saving text, nothing.
The powder coat color shifts with lighting changes -- I don't think any of my others do that (including the 2 x C (V) gloss black refractors). I see what JD meant about the finish... JD offered to primer the tube with dark gray, but I decided against it based on the color chart. Shoot! It would be Black with primer on it...
While the tube was away, I gave that big ol' lens a big ol' cleaning & alignment check. Remarkable that in 50+ years, it has no scratches, coating loss, chips, etc. Now that it's back together, I'll DPAC it (I built my rig for up to a 5" lens, so I'll have to use its tube for positioning).
Previous owner flocked the sky end, so I flocked the eye end. There are some threaded holes still open. Trying to decide if I'll mount a heavy finder on it the old-fashioned way, or just plug those with small black grubs. With a 2" x 32mm Erfle, it really doesn't need a finder, and I kinda like the simplicity of it as-is. I did put a quick-release finder clamp on the "handle" bar -- in case I change my mind. I can bolt a smaller weight to it if I need the eyepiece up higher.