She took a plain brown envelope from the table in the hall and gave it to him.

His heart stopped when he read the letter within the plain envelope.

On his desk, he found a letter in a plain envelope.

There was a plain brown envelope addressed simply to the room he sat in.

She opened her purse and took out a plain white envelope.

It was a plain envelope with no return address in the corner.

He lifted a small plain white envelope and I took it out of his hand.

Finally, he pulled a plain envelope from a pile on the table.

He saw his own name on a plain white envelope.

His name was printed in the center of the plain white envelope.