Although the question lacks context, I suppose it refers to the characters from Othello, by William Shakespeare. In that case, what Emilia found and gave to Iago was a handkerchief. Iago intended to leave it in Cassio’s lodgings.
The handkerchief was from Othello’s mother and it had a particular story. It was given to her by an Egyptian sorceress, who promised that if she held it, she would be desirable and Othello’s father would be loyal to her. However, he would leave her if she lost it or give it away.
Othello gave this handkerchief as a gift to Desdemona, but she dropped it. Emilia found it and gave it to Iago, who wanted to prove to Othello that Desdemona was betraying him. This is why he placed it in Cassio’s lodgings so that Othello could see she was favoring Cassio.
You can learn more about Iago's schemes in the link below:
https://brainly.com/question/9403209
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