ALASKA PACIFIC EXPRESS CO. (HALLER FA2), SLATE BLUE EXPRESS COMANY PRINTED FRANK ON UNUSED 3C GREEN ENTIRE (U311), VERTICAL CREASE CLEAR OF FRANK AND INDICIA, FRESH AND VERY FINE, SCARCE, LITTLE IS KNOWN ABOUT THIS EXPRESS WHICH RAN FROM OUTLYING POINTS IN ALASKA TO SKAGWAY 1898-1899