on the bottom of one of the plates there is a imprinted mark which i can't read.
photos did not work out well, in reality they are not so shiny
Hi Rec, I think these would be turn of the century 1900, you are right Arita Imari.
The impressed mark is of the Yamatoku company, date is early 20th c...
Mat & Stan,
Thank you both!
Greetings