The oldest vintage tasted being the 1896 with three bottles of each wine being opened! According to the article there are only 3 bottles of 1896 left in the world ( I suspect I know someone else who has some
The article also highlights the 1908 and and 1927! Well so far this year I have had two of these 4 ports, one of them at lunch!
Apologies unsure how set up a link!