Canada, 1851, 6d slate violet, laid paper. Large to oversized margins with full frameline of adjacent stamp visible at top, fresh color and central target cancel, Extremely Fine and choice, a wonderful gem; with 1996 V.G. Greene and P.S.E. Certificates as old #2i. Unitrade No. 2 C$2,500 ($2,542). Scott No. 2  $1,500. $0 (Image)

Canada, 1851, 6d slate violet, laid paper. Light target cancels, large to huge margins, rich violet color, faint corner crease in top left margin and virtually imperceptible tone spot mentioned in certificate, otherwise Extremely Fine. SG No. 2. Scott No. 2  $1,500. $0 (Image)

Canada, 1851, 6d slate violet, laid paper. Full to large margins, fresh color, F.-V.F. Scott No. 2  $1,500. $0 (Image)

Canada, 1851, 6d slate violet, laid paper. Clear to large margins showing sheet margin at left, cancelled by target on 1852 folded letter to New York, red "Montreal L.C. Oc. 7, 1852" datestamp, matching "Canada" in arc and "Paid", faint file folds not affecting stampVERY FINE. A CHOICE COVER BEARING A SHEET-MARGIN SINGLE OF THE 6-PENCE SLATE VIOLET ON LAID PAPERFrom the Kennedy correspondence; with 1999 V.G. Greene certificate. Scott No. 2  Estimate $1,500 - 2,000. $0 (Image)