An old picture of a couple has been vectorized in black and white for engraving. This could be used to create a commemorative plaque, or maybe even to engrave on a coin or jewelry. The price difference between having a simple black and white version of a photograph, and having it done in color with gradients, etc, varies vastly. Please use the link below to get quotes for such jobs.
If you need something with about as much detail vectorized, you should always get a quote and opinion first before proceeding.
You can upload a quote for a speedy and efficient process here: Here (no account required).