Orto Tellinum is a micro company founded by Jonatan Fendoni which is located in teglio, in the province of Sondrio. The need arises to recover centuries-old vineyards, located in a unique territory in danger of extinction. It produces natural wine from centuries-old Nebbiolo-Ciuvinasca vines and other rare and indigenous vines, and in addition to this it dedicates itself to the cultivation of cereals, potatoes and vegetables with minimal impact and almost all manual processes. In addition to the Nebbiolo-based TZERB eRetico - Ciuvinasca, Rossola, Brugnola, Pignola, Traunasca, Merlina and other rare and indigenous ones, it also produces a Sfurzat named TZERB Estremo. Microscopic production of around 10,000 bottles.