Hi John ,personally I would say do not bother. Someone has been seriously messing with this shell, it is a worthless mess! What the hell is that tri-colour doing on the inner skirt???Leon.
"Always do sober what you said you'd do drunk. That will teach you to keep your mouth shut." Ernest Hemingway
Looks like somebody went crazy on it with a pick-axe!
not a nice relic.
Is that thing even German? Maybe I am just tired but the profile and vents looks wrong to me, Maybe Finnish? Cheers, Sean.