Here’s a nice M35 Double Decal Luftwaffe Helmet.  It’s a very large size 68, stamped SE68 indicating manufacture by Sächsische Emaillier-und Stanzwerke, AG Lauter, (Saxon Enamel and Die/Metal Stamp Works) and with a lot number of 258.  This helmet is untouched and in original condition.  The original sheepskin liner has deteriorated some.  This helmet has been authenticated and is documented within a database created by German Helmet Vault.  See link to database

The shell is in great shape and has a nice patina giving it a somewhat dusty rust color. The national decal is very good and the Luftwaffe eagle has slight chip to the left wing and beak.  Inside, liner band is of the reinforced type and remains firm against the shell. The buckle end of the chinstrap is missing and whilst the other side is broken, the center section remains and is stamped Flh. Kdtr Memmingen (Fliegerhorstkommandanturen). There is a good manufacturer’s dome stamp.

Memmingen is an airfield in Southern Germany and was inaugurated as a Lw.Fliegerhorstkommandantur by 1 October 1936. Served as a Leithorst (main or controlling airfield) during the first years of the war. Memmingen was the principal training base for twin-engine fighters and was also employed as a rest and refit base for bomber units. Used by Messerschmitt beginning in 1943 to test fly aircraft prior to delivery.