Looks like an older head. Only marking I see is a B. Used, shows wear, see pics.
Archives
VTG Hartwell Brothers Grey Gorge Memphis Tenn. Single Bit Axe 2 Lbs. 6.7 Oz. USA
HARTWELL BROTHERS. Key details about the Grey Gorge axe and Hartwell Brothers Context: Hartwell Brothers were primarily handle manufacturers who marketed the Grey Gorge line of axes, with many of the heads being forged by Warren.