What do those letters mean? LHP

Winner must clearing identifying the meaning, not the where, what or the when.

One bottle of local Merlot of quality to the first person who has the answer and something to back it up.

(As an explanation some of the film codes SW2 (Super Woman 2) are directly related to the feature.

This one has two codes and so far they appear not to mean anything in particular – L ight H ouse P ictures – maybe ?)