30 Army Headstamp

I found a cartridge in my possession “30 Army Super Speed”. Didn’t know this was made. How old is this?

Is this headstamp for 30/40 Krag made for civilian use or millitary>

It is for civilian use. Does it look like this http://www.antiquegunroom.net/fullsize.php?item=0623&photo=01&title=Winchester+Super+Speed+.30+Army+for+.30-40+Krag&price=100.00?