1913, 10¢ orange yellow Panama-Pacific. O.g., never hinged, well centered, rich bright color, fresh and Extremely Fine; with 2005 P.F. certificate. Scott No. 400  $325. $0 (Image)

1913, 10¢ orange yellow Panama-Pacific. O.g., never hinged, beautiful centering amid well balanced margins, vivid rich color, couple tiny inclusion specks, otherwise Extremely Fine; with 2002 P.F. certificate. Scott No. 400  $325. $0 (Image)

1913, 10¢ orange yellow Panama-Pacific. Block of 4, o.g., bottom right stamp very lightly hinged, others never hinged, wide margins, natural gum wrinkle affecting bottom right stamp, otherwise Fine. Scott No. 400  $1,185 for singles. $0 (Image)