Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:20934 – ʿAbdullāh > Yaḥyá b. ʿAbdullāh a freed slave of Banī Hāshim Sanah Tisʿ And ʿIshrīn Wamiāʾatayn > Shuʿbah > Simāk > Jābir b. Samurah

[Machine] I saw the ring between the Prophet's shoulders as if it were an egg.  

أحمد:٢٠٩٣٤ – حَدَّثَنَا عَبْدُ اللهِ حَدَّثَنِي يَحْيَى بْنُ عَبْدِ اللهِ مَوْلَى بَنِي هَاشِمٍ سَنَةَ تِسْعٍ وَعِشْرِينَ وَمِائَتَيْنِ حَدَّثَنَا شُعْبَةُ عَنْ سِمَاكٍ عَنْ جَابِرِ بْنِ سَمُرَةَ قَالَ

رَأَيْتُ الْخَاتَمَ بَيْنَ كَتِفَيِ النَّبِيِّ ﷺ كَأَنَّهُ بَيْضَةٌ  

See similar narrations below:

Collected by Muslim
muslim:2344c – Muḥammad b. al-Muthanná > Muḥammad b. Jaʿfar > Shuʿbah > Simāk > Jābir b. Samurah

I saw the seal on his back as if it were a pigeon's egg.  

مسلم:٢٣٤٤c – حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ حَدَّثَنَا شُعْبَةُ عَنْ سِمَاكٍ قَالَ سَمِعْتُ جَابِرَ بْنَ سَمُرَةَ قَالَ

رَأَيْتُ خَاتِمًا فِي ظَهْرِ رَسُولِ اللَّهِ ﷺ كَأَنَّهُ بَيْضَةُ حَمَامٍ