Vintage Noritake Rosedawn China Saucer (Made in Japan): 933 ppm Lead. Noritake China Saucer: 933 ppm lead (+/- 86 ppm), ND (non-detect) for Hg (mercury), As (arsenic0 & Cd (cadmium)! Most vintage Noritake china I have tested has been positive for high levels of lead.
What does the M mean on Noritake china?
Morimura Noritake stopped importing to the United States in 1940. The M stands for Morimura. ( The Morimura brothers were early importers of Japanese goods to America.) After the war, several years went by before Noritake started to supply dinnerware to the US again.
How do I know if my Noritake china is valuable?
While condition is important when determining the value of your Noritake china, rarity can sometimes eclipse this. Rare pieces have intrinsic value despite ware and tear, though the same piece in better condition can appraise for more. Those in the best condition have: Little-to-no cracks or chips.