Oak leaf and acorns traced from http://thegraphicsfairy.com/antique-clip-art-oak-leaf-acorns-silhouette/ <br/>橡樹葉和橡子<br/>acorn、acorns、BoS、branch、clipart、For Use、ksvsm frames and borders、leaf、leaves、oak、stamp art、vintage<br/>橡子、橡子、監事會、科、剪貼畫、用來、ksvsm框架和邊框、葉、樹葉、橡木、郵票藝術、釀酒<br/>資料來源：openclipart ( https://openclipart.org/ )