Michters US 1 Bourbon is made from a carefully selected mashbill that features the highest quality American corn. It is then matured to the peak of perfection, with barrels often aging in excess of eight years.

From Michters Small Batch Bourbon 700ml - WHISKY And MORE>

Is this Bookers? That is my first impression when I smelled this aroma. But its taste is more oily. I feel this has something in common with Bookers, Four Roses Super Premium and blanton's single barrel. And those bottles are my taste.