Dating japanese pottery
Items without a mark were either domestic American production, non-prestige imported production, or imported production that wasn't specifically produced for the American market.
Lack of mark does NOT equate to lack of value or quality.
In that year, however, the customs Bureau decided that "Nippon" was deceptive and required that items be marked Japan.
In 1939, the United States imposed trade restrictions on Japan as a result of the Japanese aggressions in Asia.
There had been extensive trade with China from colonial times.
Early chinese imports are unmarked or marked with chinese characters.
Indonesia came into existence in 1949 and Malaysia in 1963.
Obviously any item marked with those names is recent.
The island of Taiwan, however, became a major source for gee-gaws during the 1960s until it also moved on to pricier electronic items. In the mid 70s, trade gradually resumed with the mainland and their production is marked "Made in the People's Republic of China." In 1978, the United States fully normalized relations with mainland China and their production again became "made in China" while R. In particular, watch out for kitchen items made in shapes and colors resembling old glass and 1920s deco decorative motifs.
Taiwanese production from this era is marked "made in Republic of China" or "made in China (R. Some of the items are made of very heavy glass resembling early bottles in color and manufacturing techniques.
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