The leather on the posted piece has clearly been redone & poorly I might add. The scabbard drag is curious to me & it seems the acanthus leaves on the ferrule are worn down so to be lacking a lot of detail. Also, it seems the hanger ring holes are bored out moreso than usual. I suspect this might have been done to eliminate the noncentered appearance seen on some fakes? These points aside, I find it tough to give a definite answer on this one. Maybe better pics would help.

Here's the crossguard of a WKC Landzoll from Empire Auctions some months back.

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GDC Gold Badge #290
GDC Silver Badge #310