Help with year and area of cartridge


Good morning everyone.

I have identified the cartridge as a 577/450 Martini Henry from George Kynoch by the headstamp “G.K”. I would like to know the year that its likely to have been used. I provided photos and on the inside there is something that looks like paper. I am from South Africa if it makes any difference :)



One good information source is the work of the late Tony Edwards-

Subpage #7