There is also the possibility of pieces having both"Hand Painted Nippon" and "Made in Japan" in the same mark.Some people might place a higher value on these but not everyone.The items come into the United States with a paper label identifying the country it was made in.
Once trade with the outside world was initiated a flood of many of the best quality items were exported.
There are also 'Transitional' marks which are identical to the 'Nippon' marks used previously but now state "Made in Japan". Fake Nippon first appeared on the market in the early 1980's.
The early reproductions were poorly decorated and had fake back stamps which could easily be differentiated from the authentic back stamps by knowledgeable collectors.
Persistent attempts by the Europeans to convert the Japanese to Catholicism and their tendency to engage in unfair trading practices led Japan to expel most foreigners in 1639. consul assigned to a Japanese port was Townsend Harris.
For the two centuries that followed, Japan limited trade access to Dutch and Chinese ships with special charters. Like many of the early consuls in Asia, Harris was a New York merchant dealing with Chinese imports.