Drawings and paintings will look different once redrawn in the vector format due to loss of detail and limitations of the vector format. The end result will be a cleaner and more print-friendly version of the artwork. Notice how the artist used various shades of colors and subtle gradients to achieve the same overall look of the design.
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).