1901, 10¢ Pan-American. O.g., never hinged, well centered, bright colors, Extremely Fine; with 1990 P.F. certificate. Scott No. 299  $325. $0 (Image)

1901, 10¢ Pan-American. Bottom margin single with part imprint, o.g., never hinged, exceptional centering amid wide margins, bright and fresh, Extremely Fine and choice; with 2006 P.S.E. certificate. Scott No. 299  $325. $0 (Image)

1901, 10¢ Pan-American. Bottom margin single with imprint, o.g., never hinged, large margins, rich color, fresh and Very Fine; with 1998 P.F. certificate. Scott No. 299  $325. $0 (Image)

1901, 10¢ Pan-American. Top margin plate number strip of 3 with imprint and siderographer's initials, o.g., never hinged, rich colors, fresh and Fine. Scott No. 299  $1,250. $0 (Image)