The 2018 Antoniolo Gattinara Osso San Grato is a Nebbiolo wine hailing from the Gattinara sub-region in Piedmont, Italy. This red wine, sealed with a cork, has an alcohol content of 14%. It embodies the characteristics of its varietal and region, presenting a mature and complex profile.

Wine Spectator awarded this wine a score of 92, highlighting its aromatic profile and evolving flavors. The reviewer noted, "Aromas of incense and potpourri figure prominently in this maturing red, whose fading cherry and berry flavors are matched by leather, tobacco and mineral accents." The finish is described as "light, dusty" and notably long and fresh. This wine is currently drinkable and is expected to remain enjoyable through 2028. A limited production of 400 cases was made, with 120 cases imported.

Vinous, represented by Antonio Galloni, gave the 2018 Antoniolo Gattinara Osso San Grato a standout score of 96, calling it "one of the great wines of the vintage." Galloni's review emphasizes the wine's depth and classicism, stating, "Dark fruit, leather, spice, menthol, licorice, lavender and mocha all take flight from the glass. Vertical and soaring, the 2018 is seriously impressive." This high praise suggests that the wine offers a robust and multifaceted experience to the drinker.

In summary, the 2018 Antoniolo Gattinara Osso San Grato is a well-regarded Nebbiolo with a complex aromatic and flavor profile. It combines elements of maturity and freshness, making it a notable choice for enthusiasts of Piedmontese reds. The limited production adds to its exclusivity. Both Wine Spectator and Vinous acknowledge its quality, with Vinous giving it exceptional acclaim. This wine is a solid option for those looking to explore the distinct qualities of Nebbiolo from Gattinara.