M1863 hammer

[RSMorris]

Lol, let me try this.....In place of a shield this M1863 hammer has this stamping. I have a couple of hammers like this
Does this type of stamping have a name?

 

[JimW]

Knurling I believe. I think sometimes also called cross-hatching or checkering.

 

[RSMorris]

Knurling I believe. I think sometimes also called cross-hatching or checkering.

Cross-hatching is what I think I heard before.