The black and white cone versions should be the same sonically if they have OEM cones, have been re-foamed properly and if everything else is in order.
I don't know how this would affect resale value.
I moved to the Los Angeles area in late 1977 and saw many of both floating around for many years, along with tons of D130's.
The L110 and L150 were the first JBL's that I liked the sound of (aside from a Paragon that I heard years before).
DeKay