by Saijoen西条園
Lowest in stock: A$1.46/g (≈$1.02/g) at The Whiskful Matcha
Similar on Amazon
Ippodo Kan
A different tea of a similar grade — this one isn't sold on Amazon · 30g
As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure
清祥の昔 (Seisho no Mukashi, "Pure Prosperity of Old") is Saijoen's entry-tier thick matcha (濃茶), making the traditional koicha style accessible without sacrificing authentic Nishio character. With the rich, full-bodied profile inherent to koicha, it serves as an excellent introduction to concentrated ceremonial preparation.

Saijoen Official Online Shop (Aiya)
¥4,680 / 20g
≈$30 total
¥234/g
The Whiskful Matcha
Best priceA$29.25 / 20g
≈$20 total
A$1.46/g
Prices may vary. We may earn a commission on purchases. Learn more about our affiliate disclosure
USD amounts are approximate, converted at rates from 2026-10-13. You pay the price shown by the seller in their own currency.
Dense and savory with strong umami, deeper aroma, and an easy-entry koicha profile.
Tracked across 2 merchants
Price trend
¥4,680
Range: ¥3,624 — ¥4,680
| Merchant | Price | Per gram | Status | Checked |
|---|---|---|---|---|
| aiya-official· 20g | ¥4,680 | ¥234/g | In Stock | Oct 11, 2026 |
| the-whiskful-matcha· 20g | A$29.25 | A$1.46/g | In Stock | Oct 10, 2026 |
Other blends from Nishio
duplicate_removed
{"id": "c4ed538b-a47f-4aa8-a207-3bd31d4bdc9b", "name": "Seisho no Mukashi", "slug": "aiya-seisho-no-mukashi", "image": null, "price": 3624.00, "verdict": "An accessible entry into koicha from the world's largest matcha producer — authentic Nishio koicha at a reachable price.", "brand_id": "2a503dfe-d365-4228-b85e-b95c04bdf7e4", "currency": "JPY", "farm_name": null, "origin_id": "a0000000-0000-0000-0000-000000000002", "body_score": null, "created_at": "2026-03-23T03:50:24.865087+00:00", "updated_at": "2026-04-03T00:25:37.046+00:00", "color_score": null, "description": "清祥の昔 (Seisho no Mukashi, \"Pure Prosperity of Old\") is Saijoen's entry-tier thick matcha (濃茶), making the traditional koicha style accessible without sacrificing authentic Nishio character. With the rich, full-bodied profile inherent to koicha, it serves as an excellent introduction to concentrated ceremonial preparation.", "grade_label": "Koicha", "umami_score": null, "availability": "in-stock", "harvest_info": null, "package_size": "20g", "sells_direct": null, "last_verified": "2026-04-03T00:25:37.046+00:00", "single_origin": false, "tasting_notes": null, "milling_method": null, "price_per_gram": 181.2000, "pros_cons_json": null, "sweetness_score": null, "bitterness_score": null, "usd_price_per_gram": 1.5191, "official_product_url": "https://www.shop-matcha.jp/view/item/000000000015"} → merged into saijoen-seisho-no-mukashi (Saijoen)
Via DIVE-254: one product URL = one blend; owner is the name on the product page (DIVE-245). Removed aiya-seisho-no-mukashi (Aiya) claiming https://www.shop-matcha.jp/view/item/000000000015
by alex-dev
Supports: Seisho no Mukashi: 20g for ¥3,624 with official product description and usage guidance.
Supports: Seisho no Mukashi: 20g for ¥3,624 with official product description and usage guidance.
About the brand
西条園
Saijoen is AIYA's consumer-facing matcha brand from Nishio, Aichi, pairing long-standing stone-milled matcha production with modern retail, cafe, and sweets formats.
View all Saijoen blendsDense and savory with strong umami, deeper aroma, and an easy-entry koicha profile.
Seisho no Mukashi is sourced from Nishio, Japan.
Seisho no Mukashi is priced at ¥4,680 for 20g at Saijoen Official Online Shop (Aiya) (¥234/g).
Seisho 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 Saijoen Seisho no Mukashi directly from Saijoen's official website. Current availability: in-stock.