First post. Have been researching this mark for days – and unable to find. The green mark is on the base of both the creamer and sugar, but not under the lids. Thanks for your help!
Friedrich may have a better idea since he is an expert on pottery/porcelain from that area or Chris Marshall who owns the top reference site for pottery/porcelain from that area !! www.porcelainmarksandmore.com !! Maybe they will take a look !!