Shama'il al-Muhammadiya 18

Ebrahim bin Muhammad (may Allah be pleased with him), who is the grandson of Ali (may Allah be pleased with him said:
"Whenever Ali (may Allah be pleased with him) used to describe the noble attributes of Messenger of Allah ﷺ, he used to mentioned the complete hadith. He also used to say that the Seal of Prophethood was between his shoulders, and Messenger of Allah ﷺ was the seal of all prophets".

حَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ الضَّبِّيُّ، وَعَلِيُّ بْنُ حُجْرٍ، وَغَيْرُ وَاحِدٍ، قَالُوا: حَدَّثَنَا عِيسَى بْنُ يُونُسَ، عَنْ عُمَرَ بْنِ عَبْدِ اللهِ مَوْلَى غُفْرَةَ، قَالَ: حَدَّثَنِي إِبْرَاهِيمُ بْنُ مُحَمَّدٍ مِنْ وَلَدِ عَلِيِّ بْنِ أَبِي طَالِبٍ، قَالَ: كَانَ عَلِيٌّ، إِذَا وَصَفَ رَسُولَ اللهِ ﷺ فَذَكَرَ الْحَدِيثَ بِطُولِهِ، وَقَالَ: بَيْنَ كَتِفَيْهِ خَاتَمُ النُّبُوَّةِ، وَهُوَ خَاتَمُ النَّبِيِّينَ.