Political activist and labor leader (1882–1942) who was convicted of the San Francisco Preparedness Day Bombing of 1916; believed to have been wrongly convicted, Mooney served 22 years in prison before being pardoned. Rare vintage fountain pen signature, “Tom Mooney, 1921,” on an off-white 4.5 x 2.5 album page. In fine condition, with typed notations and six small binding holes to top edge, and a fingerprint mark below the date. Originates from the collection of prolific through-the-mail collector Fred J. Hall. RR Auction COA.