TLS signed “Ansel,” one page on a 5.5 x 3.25 government postcard, April 7, 1961. Letter to Edna Bennett. In part: “Delighted to have you use the Aspens[.] Credit is to the Sierra Club and the Polaroid Corporation. It is not on their film, but it is a part of a large-print project I am doing for them.” In fine condition, with some creasing to the upper left corner. RR Auction COA.