Mystic is the largest stamp dealer in the United States. Founded in 1923, Mystic sells U.S. and worldwide postage stamps, collecting supplies, and albums directly to collectors.

Mystic, which currently values the stamp at $3 million, traded it in 2005 for an equally valued 1918 plate-number block of Inverted Jennys of "Brewster's Millions" fame.

CAMDEN -- Mystic Stamp Company has promoted Michael Takacs from customer service team leader to assembly supervisor. Takacs will work with his assembly team to ensure excellent customer service to ...

Discover 10 surprising yard sale finds that could be worth thousands—learn what to look for before your next treasure hunt.

For the last 30 years, Michael Melford of Mystic has traveled the world for National Geographic magazine, taking pictures of historic sites and natural wonders. Now Melford reached a new plateau in… ...

Gross came to acquire the stamp in 2005 when Shreve, acting as his representative, traded with the Mystic Stamp Company for it by bartering a plate block of Inverted Jennys worth $2,970,000.

One is permanently locked in the New York Public Library's Miller Collection. The other set a record for U.S. stamp sale prices when the Mystic Stamp Company purchased it for $935,000 in 1998.