It was narrated that Ibn 'Abbas said:"If a man had intercourse with his wife while she was menstruating, the Prophet commanded him to give half a Dinar in charity
Hadith No. 650
Sunan Ibn Majah
Gradings:
Al-Albani:
Daif
Muhammad Fouad Abd al-Baqi:
Daif
Zubair Ali Zai:
Daif