‏اللباس والزينة‏ : Hadeeth No:5217 Anas reported that when Allaah's Prophet (sallAllaahu alayhi wa sallam) decided to write (letters) to non-Arabs (i. e. Persian and Byzantine Emperors) it was said to him that the non-Arabs would not accept a letter but that having a seal over it; so he (the Prophet) got a silver ring made. He (Anas)...

‏النكاح : Hadeeth No:3287 Ibn Umar (Allaah be pleased with them) reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as having said this: A person should not enter into a transaction when his brother (had already entered into but not finalised), and he should not make proposal of marriage upon the proposal already made ...