"When the Messenger of Allah conquered Makkah, he stood up to address the people and said in his Khutbah; 'It is not permissible for a woman to give anything without her husband's permission."' (He narrated it) in abridged from.
Sunan an-Nasa'i Book 23, Hadith 106
← Previous Hadith "When a woman give charity from her husband's house, she will have a reward, and her husband will have a similar reward, and the storekeeper will have a similar reward, without the reward of any of them detracting from the reward of the others in the slightest. The husband will be rewarded for what he earned and she will be rewarded for what she spent."

Sunan an-Nasa'i Book 23, Hadith 105 Next Hadith → "Which of us will be the first to following you (in death)?" He said: "The one of you who has the longest arms." They took a stick and started to measure their arms. But Sawdah was the first one to follow him. She was the one who had the longest arms, because she used to give in charity a great deal.

Sunan an-Nasa'i Book 23, Hadith 107