1960年代に母が日本で買った「謎の木の箱」の正体は何？アメリカのXユーザーの呼びかけから特定までの流れがドキュメンタリーすぎる

Corbie @Corbienest Japan! Can you help settle the mystery of what this box is and what it contains, once and for all!? My mother bought it in an antique shop when she lived in Japan in the 1960s. pic.x.com/vPRtLFO15e 2026-04-02 19:32:46

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