Treadwell Mill and Mine, Largest Stamp Mill in the World

Front:
TREADWELL MILL AND MINE. LARGEST STAMP MILL IN THE WORLD 240 STAMPS. ALASKA. HOND 110 0.00 0 HUHUH 000 BEBA

Back:
5000. Lowman & Hanford S. & P, Co. Pub. Seattle, Washington. Canada and 1 cent