100th Anniversary, Purchase of Alaska, 1867-1967, First Day of Issue

FIRST DAY OF ISSUE. 8. KA 30 067 FIRST DAY OF ISSUE SECRETARY SEWARD AND BARON EDOUARD DE STOECKL OF RUSSIA CONFERRING OVER THE SIGNING OF THE TREATY. S9835 ROOKS ÁNG WILLIAM H.SEWARD CR OF REASA4 100TH ANNIVERSARY PURCHASE OF ALASKA 1867 - 1967 Art Croft ALASKA PURCHASE 196z Z98 UNITED STATES AIR MAIL