C3a 24c invert. The most famous of all U.S. stamps. This is your opportunity to purchase the stamp every collector dreams of owning. It has proven to be an excellent investment; rising from a catalogue value of $35,000.00 in 1972 to 135,000.00 in 1981. Of the 100 stamps originally found less than 75 are available today as singles. Although this stamp has defects, it still represents an excellent opportunity for the astute collector/investor to own this renowned stamp. 1979 Philatelic Foundation certificate. O.g . . . . . . . . . . . . . . . . ECV 75,000.00-100,000.00

The Amick book notes that this was sold to a woman celebrity.