1852, 1¢ blue, type IV. Top margin horizontal strip of three, position 8-10R1L showing plate guide mark in top right margin, margins clear to just shaving design at upper right, neatly tied by "San Francisco, Cal., May 23" cds's on fresh cover to Benicia; light cover file fold, Very Fine and choice, a wonderful position piece on cover; with 2008 Weiss certificate. Scott No. 9  Estimate $500 - 750. $0 (Image)

1852, 1¢ blue, type IV. Block of 6, position 24-26, 34-36R1L, without gum, some creasing and a closed tear, F.-V.F. appearance, still very attractive and a very scarce multiple. Scott No. 9  $5,850 as block of 4 and pair. $0 (Image)

1852, 1¢ blue, type IV. Without gum, ample to large margins, sharp impression and rich bright color, exceptional freshness, Very Fine and choice, a beautiful stamp; with 1998 P.F. certificate. Scott No. 9  $325 for no gum. $0 (Image)

1852, 1¢ blue, type IV. Vertical pair, full o.g., large margins to just in, fresh with strong bright color, Very Fine, a scarce mint pair in vertical arrangement; with 2001 P.F. certificate. Scott No. 9  $1,850. $0 (Image)

1852, 1¢ blue, type IV. Position 38L1l, neat red town cancel, full margins all around encompassing portion of adjacent stamp at bottom, bold color and an exceptional detailed impression, an Extremely Fine gem, very elusive this choice; with 2006 P.S.E. certificate. Scott No. 9  $160. $0 (Image)

1852, 1¢ blue, type IV. Large margins all around to close to scroll at upper right, bright color, Extremely Fine; with 1991 P.F. certificate. Scott No. 9  $130. $0 (Image)

1852, 1¢ blue, type IV. Position 37R1L, neat town cancel, full large margins, strong bright color, Extremely Fine and choice; with 1989 P.F. certificate. Scott No. 9  $130. $0 (Image)