From 1847 to the present the United States has issued more than 4000 different postage stamps. This application offers detailed information regarding the 185 stamps whose present value equals or exceeds $1000.
Current values for various grades are listed for items ranging from the 5¢ Benjamin Franklin of 1847 to the famous Inverted Jenny airmail stamp issued in 1918. Complete descriptions and means for identifying whether you possess one of these valuable postage stamps is included as well.
Grab your tweezers and magnifying glass and see if you've hit the jackpot!