Literature Reference: 明月西南楼,珠帘玳瑁钩。—— 温庭筠《相和歌辞 江南曲》 The bright moon hangs over the southwest tower, with pearl curtains adorned with tortoiseshell hooks. Source from Wen Tingyun's 'Jiangnan Qu'.
玳: Reptilian in appearance, resembling a tortoise.
瑁: Reptiles.
Meaning: Tortoiseshell symbolizes nobility and rarity, often associated with jewelry and luxury, signifying wealth and elegance.