‏البيوع : Hadeeth No:3755 A hadith like this has been transmitted on the authority of Ibn Abbas (Allaah be pleased with them)....

‏الصلاة : Hadeeth No:1393 Abu Sa'id al-Khudri reported that he went to the Messenger of Allaah (sallAllaahu alayhi wa sallam) and found him observing prayer on a mat and prostrating on that....