The batch included rolls of the Flag Stamp, which according to the United States Postal Inspection ... and 50 percent of their face value, according to the U.S. Postal Inspection Service.

The "Inverted Jenny," 1918, one of the rarest and most valuable ... of the United States Post Office Department. When he finally made it home later that night, the 29-year-old stamp collector ...

Stamps labeled “Philippine Islands, United States of America” recall the period ... Mr. Healey said it had no monetary value. In other words: It’s worthless but priceless.

Folks in Canada, you might want to check those boxes in the attic extra carefully, before donating your grandpa's old junk. This 1904 British stamp is extremely rare because nearly all of the 19 ...

COCHITI PUEBLO, N.M. — The U.S. Postal Service is set to issue a series of Forever stamps designed by Cochiti Pueblo artist Mateo Romero. According to the USPS, Romero took pictures of the ...