1901, 4¢ Pan-American, Center Inverted. Slightly disturbed o.g., well centered, bold color, small unnoticeable internal repair at right center, Very Fine appearance, an attractive example of the 1901, 4¢ Pan-American with Center Inverted, a great 20th century rarity; with 1999 P.F. certificate. Scott No. 296a  $70,000. $0 (Image)