Less substantial but http://www.sunspel.com/uk/vintage-wool-kit-bag-khaki.html

Best black leather holdall in a washed leather?

Ta

Liberty had a few Cote et Ciels in last week, not sure if they had the Riss or not though…Might be worth calling them.

nice - remind me of Acronym bags

No rucksack 'goes' with a suit and tie.

Millican gear looks very nice and might go a bit better with smarter clothes, although no rucksack really goes with a suit:

https://www.homeofmillican.com/

Not exactly the same but I've got a very similar cos bag which has been going strong for a few years now. The bag is great and quality is good for the price except the metal clasp on the strap broke quite quickly. I'd have a look in person first if you can, the mechanism felt a bit flimsy when I bought mine but it was on sale so I took a punt.

anywhere doing patagonia blackhole backpack for under rrp?

Are Gregory made in China now? Wouldn't mind a rucksack as a trolley case is awkward when staying in an Airbnb or with a late flight.

Lack of description on where they are made now and older models being touted as Made in USA suggests so…

Hard to find this sort of thing in the UK, the Mystery Ranch review from the other thread looked

I think something like a Filson is a bit too outdoorsman and not practical for extended Ops with the leather straps.