Yes, mine is original...
This is expensive information. (did I just feel the price drop on my pipes then?....I hope it wasn't my imagination)
Note to moderators; We need a blackmail smilie.
Anyhow, NMBS.
The bottom hole centers are about 17mm up from the lower edge. As a check, the top hole centers are about 1/2" (12.5mm) from the center of the bend (which is a bit hard to pick)
Cheers,
Lynn.