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Here they are.
The upper one is the new one. Quarter hollow.
Has a horn handle, too. Hard to make out though.

http://www.olivia-seife.de/images/heiffors.jpg

Old thread but I've got one today as well.
Nice piece of steel, almost unused.
Its my second.
First one says "Made for the Army" and J. Ritter on the back of the tang.
The new one says "Patent...