by Nanzanen南山園
A 30g Nishio matcha recognized with Monde Selection gold awards in 2012, 2013, and 2014. Official copy notes a noble aroma, beautiful deep green color, and deep flavor suited to koicha.

Editorial verdict
A flagship ceremonial tin that balances prestige, visible awards, and clear koicha positioning.
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Noble aroma, deep green color, deep savory flavor
Other blends from Nishio
Supports: 抹茶 青海の昔: ¥4,752 for 30g. Official page used for image, description, and use-case positioning.
About the brand
南山園
Nanzan-en is a Nishio matcha producer based in Anjo, Aichi, combining tea-garden cultivation, tencha processing, stone milling, factory production, and direct retail under one company.
View all Nanzanen blendsNoble aroma, deep green color, deep savory flavor
Seikai-no-Mukashi is sourced from Nishio, Japan.
Seikai-no-Mukashi is priced at ¥4,752 for 30g (¥158/g).
Seikai-no-Mukashi is recommended for koicha. Thick tea — a concentrated preparation using about 4g of powder and 30ml of water, reserved for the highest-grade matcha.
You can buy Nanzanen Seikai-no-Mukashi directly from Nanzanen's official website. Current availability: in-stock.