Ogham script  - translates to Father
Ogham is an alphabet which was traditionally used to write Primitive Irish ~1,600 years ago, the earliest known form of Gaelic. 

Each item begins as a piece of sheet metal, copper, bronze, brass or nickel.  After a pattern is transferred to the metal, the piece is etched in a salt-water solution.  Each piece is hand cut, sanded, and polished. A patina may be applied or it may be hand painted with dye oxide.  A clear polymer coating is applied