Finca Altamira: World Malbec Day and Easter Sunday The Argento winery makes a single-vineyard premium Malbec called Finca Altamira, which is also one of the best value red wines you’ll currently find. Meanwhile, when compiling the list of International Drinks Days, I saw that the annual World Malbec Day is on the 17th of April. And that got me thinking about an …