1992 29c New York Stock Exchange stamp may make $30,000
A 1992 29c New York Stock Exchange stamp se-tenant pair featuring an inverted centre is to highlight a sale of US and Canadian philatelic rarities at Kelleher Auctions on May 23.
The combination is valued at $20,000-30,000 and is drawn from the left margin of the sheet, with the second stamp missing its central image.
There are only 56 examples of the invert known which, when coupled with the second error, makes this one of the rarest US stamps in circulation today.
In April 2012 a block of four 1992 inverts sold for $57,500 at Cherrystone Auctions in New York.