I believe this set is antique Nippon china. I tried to identify the pattern and the mark but couldn't match either. There is a little wear on the gold handles but the set is in excellent condition. No cracks chips or scratches.
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Based on the photos and information provided, and subject to examination, this is:
A vintage Nippon hand-painted and parcel gilt porcelain three piece tea set
Made in Japan, bearing the Morimura "M" mark, in use 1911-1921
Comprising a tea pot, covered sugar bowl and cream pitcher
CONDITION: minor use wear
*represents a fair-market value for auction purposes; retail or asking price may vary.