Hi Merlin. Have you seen this page ? There were several re-designations.
There are 2 pictures of 1./KuFl.Gr.206 in Barry Ketley's book on Luftwaffe emblems; one shows 3-3-3 dice (1937-38) and 1-1-3 (1939-40 on a black shield).
Nick
http://www.ww2.dk/air/seefl/kflgr106.htm