In my experience Flygsfors cocquille pieces are always signed both with the factory name and also with cocquille to the base and also often carry the year as well. The earlier pieces carry the factory name and also Kedelv to the base, Paul Kedelv being the designer.
I would suggest your piece is most likely by Paul Kedelv, but not by Flygsfors, but from his time at Reijmyre when not everything was signed and much carried just paper labels, so probably a good starting point for you to research further.
Paul