Very nice ax. No expert on these types, but yours is of the 'pole type' seen in Eastern and Western Europe in the early/mid-19th century. It is a tool ax despite the decoration, which many of these Euro axes did have (I think the manufacturers had a respect for their axes and these etchings were attractive to woodsmen. Yours appears cast, so perhaps 1850's-80's.
Unfortunately, the Tomahawk collectors site is down right now, but hopefully later you can pull it up and under the section 'Other Foreign Axes', you can see examples similar to yours-
www.tatcalite.com/id2.htm
Here is an example of an etched ax head on a Hungarian fokos ax. I'm NOT implying yours is a fokos, simply showing that these types often did have some great decoration to them despite their meager purposes-
https://therionarms.com/sold/ttoy417.html