incunabulum

The library's most prized possession is an incunabulum printed in Mainz before 1480.该图书馆最珍贵的藏品是一部于1480年之前在美因茨印刷的早期印刷品。

The incunabulum shows how early printers imitated the handwritten style of medieval manuscripts.这件早期印刷品展示了早期印刷商如何模仿中世纪手稿的手写风格。