Looking to source a specific wine

Hello, I’m not particularly used to reddit, so I don’t think asking this here is breaking any rules I read. Not sure how to add those flair things either.

I’m looking to buy/source a specific Portuguese dessert wine, but I haven’t been able to find it anywhere. I’m hoping to semi-regularly source it, personally. I would appreciate any assistance in any way, and I’m not necessarily against heading to portugal, but not fond of the idea at the moment simply for some wine.

It’s a Quinta De Marrocos, 20yr tawny port. Bottled 2018, but frankly I’m fine with any bottling year.

I did read something about tasting notes in the rules, but unfortunately I am not able to drink much. It is slightly sweet, though. Tasting notes of, obviously, dried fruits, aftertaste of honey, and an aroma that is moderately nutty according to the tag. Tasting notes hold up though, in my opinion. On the sweet side and not dry. Easy to drink, with surprising depth. Guests seem to go crazy over it, too.

Any help appreciated. Cheers.