Hams from of the best lineages pigs, which present the best characteristics and the signs of quality from acorn Iberian ham. Each year, some producers are authorized to select some pieces for get the this special label. In the label must to appear SUMMUM. The curation process of this hams is generally longest, may exceed 4 years.
In 2013, just 95.000 pieces (palettes and hams) get this particular label, they can be tasted in 2016. This number is lower than the past years, this improve the quality.
The Board of the Qualified Apellation of Origin, located in Jabugo, is the only one who can certify the quality requirements