Oberstempel

Could you specify which sense of the term "Oberstempel" you want the article to cover? The exact meaning can vary, and providing the correct context will help ensure accuracy. Possible interpretations include:

- A German word meaning “upper stamp,” which in philatelic or postal-history contexts might refer to a type of postmark, cancellation device, or a marking used by authorities.

- A surname of German origin.

- A place name, organization, or historical term in a specific region or period.

If you’re aiming for a concise wiki-style article, tell me which sense to focus on, and I will produce a neutral, informative entry under 300 words. If you prefer, I can draft a philatelic-focused stub now, and adapt it to another sense later.