Ibn ‘Umar said that God's Messenger forbade the transaction called habal al-habala which was one entered into in pre-Islamic times, whereby a man bought a she-camel which was to be the offspring of a she-camel which was still in its mother’s womb. (Bukhari and Muslim.)
Hadith Referenceمشكوة المصابيح / كتاب البيوع / 2855
Hadith Gradingالألبانی:مُتَّفَقٌ عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (2143) و مسلم (5. 6/ 1514)»