denotes batch number of annealing. C FF : C denotes the cartridge has been filled with cordite or ballistite; FF denotes this has occured twice with Full
English: Copper alloy and cordite bullet fragment. Copper alloy cartridge case filled with its propellant charge of cordite 'straws'; this charge is 'live'
95inchMkIVShrapnelRound.jpg Diagram of British Mk IV Shrapnel round for QF 2.95 inch Mountain Gun, 1914. Propellant charge : 5 1/4 oz Cordite, size 5. Igniter