مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2446
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas from The Prophet (ﷺ) concerning the man who has intercourse with his wife when she is menstruating: Let him give half a dinar in charity.
Musnad Ahmad 2458Saheeh mawqoof; this is a da’eef isnad]