On October 1, 2009 the United States Mint began sales of the James K. Polk $1 Coin Cover. This represents the eleventh release for the American Presidency $1 Coin Cover series.
The cover features two James K. Polk Dollars from the first day of production. The Philadelphia Mint coin was produced on June 1, 2009, and the Denver Mint coin was produced on June 15, 2009. The coins are mounted on a custom display card with a 44-cent Flag stamp. The postmark is August 20, 2009, Columbia, TN from the first day the coins were released to the public.
The James K. Polk Dollar Coin cover is limited to 40,000 units and is priced at $14.95.
[Online: US Mint Product Page]