So nothing made today looks remotely like vintage Fender tort. Most aftermarket tort guards are wrong and pretty ugly, too brown or too red, including what Fender puts on their Custom Shop basses. Some Spitfire torts are nice - especially what they call Vintage Burgundy - but are very expensive.
Why not replicate Fender's last tort guards before switching to b/w/b - the printed guards they used in 74/75? They are easily identifiable by the symmetry line(s) somewhere in the pattern and up close you can see actual pixels, but they still looked much better than what Fender and other manufacturers offer today.