I also have this same etch pattern on a long WKC marked blade.

On the obverse is the ES103 type etch pictured on the bottom of page 235 with a Heer eagle.

On the reverse is the spray of oak leaves pictured at the top of page 236.

MVC-079S.JPG (41.13 KB, 273 downloads)
MVC-080S.JPG (41.92 KB, 277 downloads)
MVC-083S.JPG (39.66 KB, 270 downloads)
MVC-084S.JPG (40.35 KB, 272 downloads)
MVC-085S.JPG (40.26 KB, 269 downloads)
MVC-086S.JPG (40.02 KB, 270 downloads)
MVC-087S.JPG (39.11 KB, 273 downloads)
MVC-089S.JPG (40.4 KB, 271 downloads)

Always looking for Eickhorns and etched bayonets.