552a, 807a, 1213avar, 1¢, 3¢ & 5¢ Bklt Panes/6, all w/portions of three stamps across, NH Cat($37) (Image)

$45

634dvar, 2¢ Car, Type I Bklt Pane/6, w/partial Plate No. on Left, F-VF NH, w/sm edge fault UL at the Plate No., unusual (Image)

$55

1002var, 3¢ American Chemical Society, Horz Pair, seriously overinked & smeared, VF LH (Image)

$30

1297cvar, 3¢ Violet, Dull Gum, Pre-cancelled, Coil Joint Line Pair, XF NH, (Note: the Scott catalog and Scott Error catalog do not identify whether all known imperf errors of #1297 are dull gum or are a mixture of dull and shiny gum varieties). Cat($20) (Image)

$20

1946var, 1981 "C" stamp Blk/4, Horz Misperf creating "huge" white space on btm (2) stamps and Horz Gutter on T Pair, NH (Image)

$50

C125b, 45¢ Future Mail Delivery, Block of 4, Light Blue Engraved Color ("USAirmail/45") Omitted ERROR, F-VF NH, with 2011 Philatelic Foundation certificate (only 6-80 blocks known) Cat($500) (Image)

$500

U429m, 2¢ Carmine, Die 1, Entire Postal Envelope with Double Impression ERROR, Cat($1500) (Image)

$1250

U586a, 15¢ on 16¢ Blue "USA" Postal Envelope Entire, Black Surcharge Omitted ERROR, XF mint Cat($225) (Image)

$225

U599a, 15¢ Honeybee Postal Envelope, Brown Color ("USA 15c") Omitted ERROR, XF mint Cat($100) (Image)

$100

U646a, 34¢ Eagle Postal Envelope Entire, Blue Gray Color (Eagle) Omitted ERROR, XF mint Cat($225) (Image)

$225