MARION PATTERSON, worked extensively with Ansel Adams...This work (Signed), "The North Face of Mt Everest, Tibet", was taken on November 6, 1981, over a 3.5 hour period...It is in Very Good Condition...Outside: 26" x 22"s...Inside: 12" x 18"s...Please take the time to visit my EBay Store...I Thank You for LOOKING.