Do you know the mark on this porcelain piece and also what it is used for ?

[ravolio]

? MarkOyster plate?

What type of plate is this? Who is the maker? Thank you

[janetpjohn_la]

Look at inkwells.

[fidbald]

from the shape it looks like a "beggar", which was originally a "mendiant" in French. the idea being to serve beggars at the entrance door and not touching their dirty fingers.