The engraving inscription on the barrels looks a tad fresh to me and not the product of 70 year's wear. Although I am only going by a photo. Mind you I was born suspicious. His mate Herman Goering was a big hunting buff and had an impressive gun collection. It would need provable provenance to be worth anything. In England as a plain non-ejector gun like that it would be lucky to make 100 to 150. Lagopus.....