This mark is on the bottom of my Grandma and Grandpa Cream and Sugar Set. Thank you for any info you have on the date and/or manufacturer. [img size=288]https://kovels.com/media/kunena/attachments/legacy/images/MARK_MADE_IN_JAPAN.jpg[/img]
Thanks for your answer. I’ve done some more investigating and think that the mark is for Mariyama Ware.
Anyone have background on this company?