R.W.S. 8 Gauge

Here is a headstamp i cant find anywhere. In fact I dont find any RWS 8Ga exept for one pinfire.
But my guess is that they do exist…?

Have it, green paper, low base 3 3/4" OAL & hand loaded.

So I was right! (O:
Mine is light brown paper,not loaded. 10,05 cm OAL,culot:10mm.