For The Love Of Port

I would like to get some more information about these bottles.
At this moment I don't have much details and would like to learn more
about their age, value and drinkability.

Could anyone advice me on how long upfront I should open this bottle?
Best to do this at the time of the party (as I would drink this with a bunch of other people)
or some hours prior to the event..

It's possible the letters on the cork mean 'Do dão', but that's only a guess. The bottle would have been bought in Portugal, most likely more than twenty years ago. At one time there used to be some kind of label on it. I'm guessing that the previous owner himself put the plaster cap on top of the c...

I removed the plaster cap and took some pictures of the cork.

Hello, I purchased a giant wicker botlle filled with port of some kind, with a big plaster cap. I wondered if anyone could give me some more information about how to open this bottle in a basket carefully? There's no sign left of which port it's about and I'm also ignorant about the age. But I want ...