八卦板人多，借問
家母以前買的字畫有價值嗎?
請問去哪找販售管道?
怎麼判斷價值呢?
感謝。
https://i.imgur.com/OZqerge.jpg
https://i.imgur.com/bGFM2nj.jpg
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https://i.imgur.com/M1zii9c.jpg