When did it happen?

[CSM101]

This is from Token Bijutsu 135: Meito Inaba Shizu. In the old issue the blade is Kokuho. Nowadays it is Juyo Bunkazai. Does anyone know when the status has changed?

 

 

Edited Monday at 08:02 PM by CSM101

[Nobody]

The Cultural Properties Protection Law took effect in 1950. And the tanto Inaba Shizu became a Juyo Bunkazai.

 

 

Ref. 稲葉志津 - Wikipedia (Only Japanese language available)

The following part is extracted and auto translated.

 

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On December 20, 1934 (Showa 9), it was designated an Important Art Piece under the name of Marquis Naganari Kuroda^. Subsequently, on May 27, 1939 (Showa 14), under the same name, it was designated as a National Treasure (formerly a National Treasure) under the National Treasure Preservation Law. After the enforcement of the Postwar Cultural Properties Protection Law, it was designated as an Important Cultural Property, and since then, it has been owned by an individual in Aichi Prefecture, leaving the Fukuoka Kuroda family^.

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[CSM101]

Thank you, Moriyama-san!

[Markus]

So, the NBTHK made a mistake. ToBi No. 135 was issued in April of 1968 when the blade was already a JuBun in the new system, but they still reference it as a Kokuhō.