SOS--Schwerin Early U-boat

[sshort]

slightly different angle

[John R.]

No doubt that this is Schwerin. Schwerin finish among many other characteristics.

John

[John R.]

You can put this mark into the timeline based on these two different fonts. The marks I am talking about are the two on the left. Disregard the mark on the far right.

Yours is small letters. Again, the timeline is not definitive, it is a best guess based on a study of the badges by Rob and myself.

John