This is a very similar emblem to the one on U-2 and U-121. See that version.

The hilt of the sword here is not 100% correct. The original had more elaborate, old-fashioned embellishments.

The version on U-264 was slightly different but essentially the same emblem.

Keywords: shield, sword, swastika, circle

2 U-boats displayed this emblem
U-264 and U-579.

Click on the boat's number to see if there were other emblems.