by Shizuoka Chaen静岡茶園
A 30g koicha-designated matcha sold by Shizuoka Chaen for tea gatherings. The official page says it is made for koicha but can also be enjoyed as usucha; origin is listed broadly as domestic.

Editorial verdict
The highest-positioned matcha in the current official lineup, with a koicha-first brief and a premium price within the brand's catalog.
No buying options yet — check back soon. Visit the brand page for more information.
Official positioning points to a richer, fuller matcha intended first for koicha while remaining suitable for usucha.
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Shizuoka Chaen Official Product Page
Supports: Official product page lists 30g, ¥2,160, domestic origin, and positions it for koicha while noting it can also be enjoyed as usucha; currently sold out.
Shizuoka Chaen Powder Category
Supports: Official powder category confirms live JPY listing for shizuoka-chaen-ikuyo-no-mukashi.
About the brand
静岡茶園
Shizuoka Chaen (株式会社静岡茶園) is a Shizuoka City tea producer, manufacturer, wholesaler, and retailer founded in April 1973 and incorporated on September 24, 1976. The company operates its headquarters in Suruga Ward and a factory in Aoi Ward, is led by Representative Director Motosuke Mochizuki, and presents its mission as aiming for Japan's most delicious tea through careful soil-building and skilled tea-master finishing. Its official Japanese shop centers deep-steamed green tea while also selling powder teas, sweets, and a small matcha lineup including Asahina- and Nishio-sourced products.
View all Shizuoka Chaen blendsOfficial positioning points to a richer, fuller matcha intended first for koicha while remaining suitable for usucha.
Ikuyo no Mukashi is priced at ¥2,160 for 30g (¥72/g).
Ikuyo no Mukashi is recommended for usucha. Thin tea — the standard way to prepare matcha, whisked with about 2g of powder and 70ml of water.
You can buy Shizuoka Chaen Ikuyo no Mukashi directly from Shizuoka Chaen's official website. Current availability: out_of_stock.