Two situations in which you should opt for a laser engraved sign rather than a manually-engraved one
If you would like to buy an engraved sign and one of these situations applies to you, you should get it from a signage business that specialises in laser engraving, instead of from one which engraves signs by hand.
You are going to place the sign somewhere where people will be able to see it up close
If you are going to put your engraved sign somewhere that will allow people to look at it up close, then you should definitely use a laser engraving service.