Lot
1220 
1992, 29¢ N.Y. Stock Exchange, center inverted se-tenant with center omitted error, horizontal left margin block of four, post office fresh with pristine never hinged original gum, Extremely Fine. Scott No. 2630d; $45,000 Estimate $30,000 - 40,000.
ONE OF ONLY TWO RECORDED SE-TENANT INVERT ERROR NEW YORK STOCK EXCHANGE BLOCKS OF FOUR.
There are 56 examples of this invert error recorded, 28 in each of the two panes of 40. The other 24 stamps having their centers omitted. There are only 10 possible se-tenant pairs contained in the two sheets, and only one sheet has been broken up into singles, se-tenant pairs and blocks of four.