Black bakelite canteen cup marked F7/S

Black bakelite cup which is in a good used condition, the cup has some scratches. The cup is nicely marked with an MPD code which was typical for period produced bakelite items. The MPD code F7/S Indicates production by an unknown maker and that the used material is Phenolic resin (bakelite) with sawdust as the filler material. The initial H is scratched into the surface of the cup. Perfect black bakelite cup to complete a canteen or a display!