Karolinen Postmarks
The primary postmarks found on items from Karolinen are those of the German post offices in Karolinen, Marine-Schiffspost postmarks of German naval vessels in Karolinen waters, and postmarks of commercial steamers calling on the colony.
![03-ponape](https://www.germanstamps.net/wp-content/uploads/2023/02/03-ponape.png)
![msp-5-110130](https://www.germanstamps.net/wp-content/uploads/2023/02/msp-5-110130.png)
![sydney-jaluit-yap-02-5](https://www.germanstamps.net/wp-content/uploads/2023/02/sydney-jaluit-yap-02-5.png)
Several provisional markings, both authorized and unauthorized, are also known.