MLP Cracow, Tiger Moth

Close view to the prop of Tiger Moth, MLP Cracow.
Markings:
DRG LA304D4
GYPSY ?? MAJOR
D 6-5 P.4 58
LHT
Is there anyone who can identify producer and decode markings except the engine name and prop diameter of 6.5 feet? 4.58 most likely stands for pitch in feet. Photo: M. Peikert