Unknown Hallmark: (AD&S) crescent, crown 800

[Yuz]

Hi, can anyone identify this hallmark? It is on a German snuffbox. (Hallmark is at the bottom of the following trio of pictures.)

Thanks!



Thanks again!

[Bahner]

Hello, that is August Dingeldein & Son from Hanau, active ca. 1920ies to 1940ies. Best wishes, Bahner

[Yuz]

Thank you!