{"product_id":"9784642065818","title":"姓氏・家紋・花押","description":"自筆を証明する花押（書き判）。敵味方を区別する武士の旗印や家を誇る家紋。言い伝えでなく史実から探る姓氏・系図。これらを踏まえ、文書の真偽を検討する方法など、古文書を読み説くための要点を平易にまとめた名著。","brand":"吉川弘文館","offers":[{"title":"Default Title","offer_id":48480103792944,"sku":"","price":2640.0,"currency_code":"JPY","in_stock":true}],"url":"https:\/\/www.maruzenjunkudo.co.jp\/products\/9784642065818","provider":"丸善ジュンク堂書店ネットストア","version":"1.0","type":"link"}