Worth luger S/42 1937?
 

Does anybody know the worth of this luger?
It laid in the ground for a few years, you can see it on the pictures.

The numbers on the luger and the magazine are the same.
Everything works...

http://img403.imageshack.us/img403/1056/img6484hv7.jpg

http://img155.imageshack.us/img155/9540/img64851sd1.jpg

http://img443.imageshack.us/img443/2855/img6486pa9.jpg

http://img147.imageshack.us/img147/9788/img6488jm2.jpg

http://img514.imageshack.us/img514/4778/img64892us6.jpg

http://img104.imageshack.us/img104/1499/img6491vh8.jpg