Like Blatner said, a specified batch size is not highlighted on any of the bottles, however, Four Roses does have a blog post that states their small batches contain around 250 barrels ...

In batch manufacturing processes ... manufacturing processes through continuous manufacturing and/or change the size of equipment. Importantly, any of these changes will require significant ...

Italian craftsmanship and a mechanism from one of the most significant knifemakers ever make this stout cutting tool special.