I had a cut of Black Pearl, with the supposed 4 way (Blue Dream x Mr Nice x Blue Mystic x Nevilles Haze) lineage, that I worked with in Humboldt in 2013. The nose was almost exactly like Dutch Treat. It had extremely easy to trim buds that were completely purple with leaves that stayed green and was done flowering in under 60 days indoors.
It is one of the cuts I regret losing the most: