The best kept secret of Francisco Costa, better known in the football world as 'Costinha', and António Boal, from Costa Boal Family Estates, a red from old Trás-os-Montes vineyards and named 'Secret 6'.

A 3.5 hectare plot in Mirandela, Trás-os-Montes, where the harvest is marked by manual harvesting, careful sorting of the berries and prolonged ageing in new French oak barrels.

Intense ruby ​​colour of great depth, aroma of enormous complexity marked by notes of red fruit and mentholated balsamic, in the mouth it reveals a harmonious balance throughout, showing itself to be a wine of structure and character with great persistence ending with a finish. of unique class.