This Autographed 3.75x2.5 Undated Handwritten Note has been Personally Signed by Andrew Johnson. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. President Johnson writes the following: "The Sec of the Navy will permit me to introduce Genl Slocum of N.Y. - who desires to have some conversation in reference to the Navy Yard in N.Y. - and politics generally - &c."