The Prophet ﷺ used to sacrifice two white rams with black markings.Ibn Bakr said, "The Prophet ﷺ sacrificed two white rams with black markings."Ubayy said, "They both reported it with a connected chain from Thabit, from Anas."
حدثنا سهل عن حميد وعبد الله بن بكر حدثنا حميد عن ثابت
أن النبي ﷺ كان يضحي بكبشين أملحين قال ابن بكر إن النبي ﷺ ضحى بكبشين أملحين قال أبي أسنداه جميعا عن ثابت عن أنس
No references are available.
Its isnad is sahih, from both of his routes. Abdullah bin Bakr is Sahmi, the hadith master. The hadith was previously mentioned at 12086.