Ok perhaps a breaking uneducated guess. I did some mathematical calculations based upon Chrono24 numbers of availability and it turns out that the Rolex Submariner 14060M 4-liner with long F must have been less than 0.3% of Rolexās / Rolaes / Rolexā total output in 2007/'08.

Rarer than hensā teeth my friends, rarer than hensā teeth... So in terms of collectibility this is a goldmine. How long will it take before collectors start realizing what a special watch this is (all in Rolex terms of course)?