1901, 8¢ Pan-American, used with 1¢ and 4¢ Pan-American (294, 296) singles, along with Bureau 1¢ and 2¢ pair on back, all tied by strikes of purple "Registered, Oct 14, 1901, Yonkers N.Y." three-line postmarks on President William McKinley Spanish-American war patriotic mourning cover to Johannesburg, Transvaal, reverse with New York (10.15) transit oval and New York registry label affixed, Boer War pink "Opened under Martial Law" censor label tied by purple "Passed" oval handstamp, Johannesburg (11.15) arrival backstamp; 1¢ stamp faults, small edge tear and part of backflap missing, Very Fine. Scott Nos. 298  Estimate $750 - 1,000. A REMARKABLE 1901 PAN-AMERICAN REGISTERED USE ON A MCKINLEY SPANISH AMERICAN WAR MOURNING COVER TO SOUTH AFRICA CENSORED DUE TO THE BOER WAR. The Pan-American stamps all show shifted vignettes: the 1¢ value shifted to top left, the 4¢ to far bottom right, and the 8¢ with vignette shifted very strongly downward into the frame as "Sinking Locks". $0 (Image)

1901, 8¢ Pan-American, o.g., never hinged, bright colors, well balanced margins, Very Fine and choice; with 2005 P.F. certificate. Scott No. 298  $250. $0 (Image)

1901, 8¢ Pan-American, o.g., lightly hinged, precision centering, rich deep colors, Extremely Fine and choice. Scott No. 298  $95. $0 (Image)

1901, 8¢ Pan-American, top margin plate number "1150" single, o.g., never hinged (very slight short gumming at top left), well centered amid large margins, strong colors, Extremely Fine; with 2005 P.S.E. certificate. Scott No. 298  $230. $0 (Image)

1901, 8¢ Pan-American, top margin plate "1150" block of 6 with imprint and siderographer's initials, o.g., never hinged (couple hinge slivers in ungummed selvage), strong bold colors, F.-V.F., an attractive example of this very scarce plate block. Scott No. 298  $6,250. $0 (Image)