strange chinese mark for me on a blue white dish.. experts here?

[benbenny]

how you doing people.
picked up a Chinese dish on a boot-sale for a couple bucks.
Anybody a idea about this item? The mark is strange for me, or is it a Japanese mark??? 
measures approx 15 cm  - 6 inches in diameter
thank

[benbenny]

other pictures

[benbenny]

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[benbenny]

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[benbenny]

nobody???

[rockandrollrods]

I have no idea on this at all. I would venture a guess that it is Chinese though judging from the rather "squarish" properties of the writing.

[Ipcress]

For a time the Chinese didn't mark their porcelain with the Emperor's seal but with lozenge, leaf and other marks. Haven't seen this one before though and would need to handle this to be sure. Glaze looks fine though

[Ipcress]

Found something similar. School of thought is that these could be shop marks

[DSky25]

I have a piece that is similar to this and the mark is basically a shop mark.  These marks are found on domestic pieces that are common ware for the Chinese.  I would think that it is mid to late Qing.  It is well decorated and not as crude as some of the others that I have seen.  If anyone else has a different opinion then please feel free to jump in.  Hope this helps. 

[benbenny]

many thank to all you here....
I would never found out my self that this mark is a shopmark.
now i also have a piece in my collection with a shop mark