I found these in a box of letters to my father when he was in vietnam. There were his dogtags which were normal issue vietnam, then there were these other ones that at first I thought were his but they didnt have the same blood type. My grandfather and him have the same name exept he is jr.
I thought my grandfathers were WW2 but they do not have a notch and heve a plastic matierial yellow cord.
I would put photos but my camera isnt working.