A similar report was narrated from Ibn 'Abbas. The price of a shield at the time of the Messenger of Allah was estimated to be ten Dirhams. (Using translation from Nasāʾī 4951)
«كَانَ ثَمَنُ الْمِجَنِّ فِي عَهْدِ رَسُولِ اللَّهِ ﷺ يُقَوَّمُ عَشْرَةَ دَرَاهِمَ»