Someone, a long time ago, has done a great deal of research, and they've put all kinds of labels on the bottom indicating who made it, when it was made, where it was made and all that sort of thing.
Typical look-alike pre-1925 marks include the letters KPM in combination with a close, but not exact, copy of the second symbol.
This service was decorated with finely painted moths within red and gilt borders.
This period was known as the Republique period.
Rogers, who was one of the early founders of Wamego, Kansas, where I grew up.
the seller also has a piece for sale commemorating the battle of Fuentes De Onoro, which took place in 1811.