I'm not aware of anyone making replica straps but why not buy a real one? Have you checked Ffordes?
Edit: This reliable Dutch seller has this strap
for sale (but object is located in Poland). But perhaps it's the wrong strap.
Originally Posted by Fraser
I like the original strap on my M2 but its starting to crack so at the moment I have a plain black Luigi Leicatime strap but was wondering if anyone makes replica Leica M2/3 straps?