24c Purple grill (142), a magnificent used 'gem' single, an extraordinarily well-centered example of this notoriously poorly centered stamp, the grill exhibits many strong well-defined grill points (on most examples only a few faint grill points are barely visible), in the proper pale pastel shade, with two exceptionally clear and bold strikes of the NYFM 'flying clothespins' cancel (NYFM type S16), extremely fine, an extraordinary and exceptionally choice example of the rarest of all Bank Note Grills, with 1993 A.P.S. and 1994 P.F. certificates, Scott retail $9,000.00 photo est.