Often the engraving will require multiple passes to address the quality factor due to material hardness. You as a client must determine exactly what level of quality you desire and choose an engraver accordingly. It is best to select an engraver that fits your budget and still satisfies your needs rather than requesting lower grade work to be executed by a high quality engraver. This generally becomes and effort in futility. In most cases it will be a waste of your time as well as that of the engraver.
Good engravers concern themselves with their name status.
Rarely will you find one willing to slander their own name by signing a less than good engraving. Discuss your engraving needs thoroughly with a qualified engraver, feel free to request a draft submission of the design to be engraved, it is after all well within your rights to see what the engraver has in store for you object, at this point engraving may now begin. Upon completion of engraving parts must be hardened as per original state, blue where required and finely reassembly of the firearm. EngravingArts may assist in several areas, it is best to ask if something is unclear. A signed engraving is very important, with out a signature an engraving will be assumed to be part of a production line process.