Osborne Vors Venerable Px 500mlThe grapes are left to dry in the sun (asoleo) before pressing to release only small quantities of ultra sweet juice. Aged in the traditional system of soleras and criaderas over many generations. With time, evaporation has made the wine more complex and concentrated, with residual sugar accounting for as much as 45% of its weight. The whole collection of butts is divided into three criaderas.