Sources

Sources

NBTHK

1. NBTHK, 2018 results (『刀剣美術』, Tōken Bijutsu, no. 737): accepted
2. NBTHK, 2019 results (『刀剣美術』, Tōken Bijutsu, no. 749): first effort prize for tantō
3. NBTHK, undated list of results (2021): the first of those accepted
4. NBTHK, catalogue of the 2022 Gendai Tōshokuten: first effort prize
5. NBTHK, 2023 results: second prize of excellence, under his civil name
6. NBTHK, 2024 and 2025 catalogues: he is not among the prize-winners
7. NBTHK, 2025 catalogue
8. NBTHK, 2026 catalogue in English

Other sources

1. Markus Sesko, list of mukansa and Living National Treasures (Gassan Sadakazu, 1907–1995)

Image credits

1. Tanaka Sadatoyo beside the hodo of his forge (forja-hodo.jpg)

   Photo: the smith himself.

2. Katana of 75.8 cm, 2023 prize of excellence (2023-katana-yushusho-entera.jpg)

   Photo: the smith himself.

3. The point of the 2023 katana (2023-katana-yushusho-kissaki.jpg)

   Photo: the smith himself.

4. The middle of the 2023 katana: itame jihada (2023-katana-yushusho-jihada-centro.jpg)

   Photo: the smith himself.

5. Another stretch of the 2023 katana (2023-katana-yushusho-centro-2.jpg)

   Photo: the smith himself.

6. The nakago of the 2023 katana, signed 近江國貞豊 (Ōmi no kuni Sadatoyo) (2023-katana-yushusho-nakago.jpg)

   Photo: the smith himself.

7. Katana of 76.0 cm, 2022 effort prize (2022-katana-doryokusho-1a.jpg)

   Photo: the smith himself.

8. The middle of the 2022 katana (2022-katana-doryokusho-centro.jpg)

   Photo: the smith himself.

9. Katana of 2021 with a sudare-ba hamon (2021-katana-sudare-ba-completa.jpg)

   Photo: the smith himself.

10. The 2021 katana with a sudare-ba hamon, upright (2021-katana-sudare-ba-vertical.jpg)

    Photo: the smith himself.

11. Katana of 2023 with ayasugi-hada and a suguha hamon (2023-katana-ayasugi-suguha-80-aniversario.jpg)

    Photo: the smith himself.

12. Katana of 2024, notare hamon on ayasugi-hada (2024-katana-notare-ayasugi.jpg)

    Photo: the smith himself.