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^[[66]] [[preprinted]] INTERNATIONAL EXHIBITION, 1876. Board on Behalf U.S. Executive Departments, No. 1725 G St. N. W. Washington, D.C. ^[[April. 1st]] 187^[[6]] [[stamped]] APR 1 1876 [[/stamped]] Profsr S. F. Baird Smithsonian Instn Sir: I have the honor to inclose check in payment of voucher of "W P Blake". Respectfully J S Conrad Col & DO