5c Columbian (234). Mint
N.H., beautiful centering and margins, rich color and proof-like impression
on bright paper, Extremely Fine and choice, with 2000 P.F. certificate (Image) 
6c Columbian (235). Mint
N.H., well-centered, beautiful rich color and sharp proof-like impression,
Extremely Fine, with copy of 1990 P.F. certificate for block of eight (Image) 
6c Columbian (235). Mint
N.H., bright color and sharp detailed impression, Extremely Fine and choice
(Image) 
6c Columbian (235). Mint
N.H., rich color and sharp proof-like impression, post-office fresh and
Extremely Fine (Image) 
8c Columbian (236). Mint
N.H., intense color and impression, perfectly centered, Extremely Fine Gem,
with 2000 P.F. certificate (Image) 
8c Columbian (236). Mint
N.H., well-centered, Extremely Fine and choice, with 1991 P.F. certificate
(Image)
8c Columbian (236). Mint
N.H. bottom margin imprint, plate no. and letter "I" block of eight,
intense shade and impression, remarkably well-centered throughoutAN EXTREMELY FINE AND CHOICE PLATE BLOCK OF THE 8-CENT COLUMBIAN.
With 2000 P.F. certificate (Image)
10c Columbian (237). Mint
N.H., fresh and bright color, sharp impression, Extremely Fine Gem, with
2000 P.F. certificate (Image)