What object does Yoshiko take with her out of the burning house at the end of Kawabata's story The Silver Fifty-Sen Pieces?

At the end of Kawabata's story "The Silver Fifty-Sen Pieces," Yoshiko takes her mother's sewing box out of the burning house. This act symbolizes her connection to her family's past and the memories associated with her mother. The sewing box represents a tangible link to her heritage and the emotional weight of loss amidst the destruction.