reaction medaillon rose Mark

by Pieter de Bruin
(Amsterdam)

As asked I am given you hereby a better foto from the mark

vase called Mandarijn Roze ?or Medaillon Rose

by Pieter de bruin
(amsterdam)

I have some information about the vase. but nobody can tell me something about the mark.
It is a strange one.I like to find the place where it was produced and when ?????