I found these at my grandparents place. Are they good port? I know nothing about port at all but don’t want to open them before I know something about them. The Benjamin is from at least 1988 (it’s engraved as was a present at some stage I assume) and the Jordan I have no idea

I found these at my grandparents place. Are they good port? I know nothing about port at all but don’t want to open them before I know something about them. The Benjamin is from at least 1988 (it’s engraved as was a present at some stage I assume) and the Jordan I have no idea