So this one i'm looking at has it on the barrel, and he said his grandfather bought it in 1912?

Or does this not check out?
"The weapon belonged to my grandfather who purchased it circa 1912 and has been in a small country called Swaziland on the eastern side of Southern Africa. It has been passed down from my father to me and accompanied me when I emigrated to Australia in 2000."

Confused now.