Abreviations

[LCplCombat]

C.P. (Case, powder)
C.P.M.L (Case, powder, metal lined)
C.P.R. (case, powder, rectangular)
C.S.C. (Cartridge storage case)
C.W.P. (Case, wood, packing)
C.W.P. / M.L. (Case, wood, packing, metal, lined)
C.W.P. / T.L. (Case, wood, packing, tin lined)
C.W.P. / Z.L. (Case, wood, packing, zinc lined)
M.L. (Metal, lined)
T.L. (Tin lined)
Z.L. (Zinc lined)

Box, Container and Pacaging manufacturers marks.

CMC - Crittal Manufacturing Co., Ltd
GFS - Gibabrd Furniture Shop (Company) of Napanee, Ontario, Canada.
HS/B - H. Stevenson and Sons (Birmingham)
HS/G - H. Stevenson and Sons (Glasgow )
HS/L - H. Stevenson and Sons (London )
HS/M - H. Stevenson and Sons (Manchester)
RG - Radway Green Cheshire
RWP - Robinsons Waxed Paper, Ltd., Swindon

As yet unidentified
EL
WW