The Rush Cover
In his Ventura County Star stamp column, John Weigle writes, "The cover is known as the Rush cover because it's addressed to Richard Rush, who was the U.S. minister to France and was in Paris when the letter was mailed in 1848. The cover was mailed from Philadelphia. It's the only known cover with a strip of four, five or six of the Scott No. 2 stamp addressed to a foreign country. "
For more on this unique cover, click here.