《明史·志·卷四十一》
辖顶加上圆盘高二尺四寸有余，用抹金的铜宝珠装饰辖顶，其余部分与金辖相同。
辂顶并圆盘，高二尺四寸有奇，用抹金铜宝珠顶，馀同金辂。
The top of the carriage was equipped with a round plate that was over two feet and four inches tall and was decorated with a gold-plated bronze treasure pearl. The rest of the parts were the same as the golden carriage.