by Shogyokuen Seicha祥玉園製茶
An official iemoto-preferred koicha selected by Omotesenke Fushin'an headmaster Jimyosai Sosho. The product is sold in 40g and 100g tins on the official Japanese shop.

Editorial verdict
Tsutsuki-no-Mukashi is one of the brand's clearest formal tea-ceremony offerings, with explicit koicha positioning and direct Omotesenke endorsement.
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Other blends from Uji
祥玉園製茶オンラインショップ 御家元抹茶 筒城の昔 — 祥玉園製茶株式会社
Supports: Official shop lists 濃茶 筒城の昔 at ¥7,560 per 40g and identifies it as a koicha favored by Omotesenke Fushin'an headmaster Jimyosai Sosho.
About the brand
祥玉園製茶
Kyoto-based Uji tea maker founded in 1827, with a business model the company describes as integrated from production through sales and a tea-specialist history spanning more than 180 years.
View all Shogyokuen Seicha blendsTsutsuki-no-Mukashi is sourced from Uji, Japan.
Tsutsuki-no-Mukashi is priced at ¥7,560 for 40g (¥189/g).
Tsutsuki-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 Shogyokuen Seicha Tsutsuki-no-Mukashi directly from Shogyokuen Seicha's official website.