A final verdict on whether "la Bella Principessa" is genuine may not be reached for years, but more and more connoisseurs have voiced doubts.

离《美丽的公主》是否是真迹的最终判断可能还要再过几年，但越来越多的鉴定师表达了怀疑之声。

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In the case of "la Bella Principessa," Biro did not handle the drawing, and was sent multispectral images from another laboratory, which he then developed and enhanced.

在《美丽的公主》案例中，比罗并没有碰过原画，他只是从其他实验室得到了几张画的多光谱图像，然后他再放大研究。

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