ENOfficial
It was narrated from 'Amr bin Shuaib, from his father, that his grandfather said: "The price of a shield at the time of the Messenger of Allah (ﷺ) was ten Dirhams."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا خَلاَّدُ بْنُ أَسْلَمَ، عَنْ عَبْدِ اللَّهِ بْنِ إِدْرِيسَ، عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، قَالَ كَانَ ثَمَنُ الْمِجَنِّ عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم عَشْرَةَ دَرَاهِمَ .
sunnah.com