Complet rear axle with differential for 1916 Maxwell M25

[BenzGermany]

Hello, I'm from Germany and I'm looking for a complet rear axle with differential for my 1916 Maxwell M25.
I hope to find someone selling me a good sparpart or to tell me where I can get one.

Thanks to everyone who can help me to find what IM looking for.

[hddennis]

here's an attachment to show what it looks like.