by Shogyokuen Seicha祥玉園製茶
Shogyokuen's top-priced standard-line matcha, sold in 40g, 100g, and 200g tins on the official Japanese shop. The official listing says each order is stone-milled from tencha before shipment to keep the powder fresh.

Editorial verdict
The flagship non-iemoto matcha in the catalog, priced for formal tea service or buyers who want the freshest small-batch expression in the house line.
No buying options yet — check back soon. Visit the brand page for more information.
Other blends from Uji
祥玉園製茶オンラインショップ 抹茶 瑞祥 — 祥玉園製茶株式会社
Supports: Official shop lists 瑞祥 at ¥12,960 per 40g and says it is stone-milled from tencha to order before shipping.
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 blendsZuisho is sourced from Uji, Japan.
Zuisho is priced at ¥12,960 for 40g (¥324/g).
You can buy Shogyokuen Seicha Zuisho directly from Shogyokuen Seicha's official website.