During a lifetime devoted to plant breeding, Burbank developed more than 800 strains and varieties of plants, including 113 varieties of plums and prunes, 10 varieties of berries, 50 varieties of lilies and the Freestone peach. Fountain pen signature, 'Faithfully, Luther Burbank, Santa Rosa Cal.,' on an off-white 5 x 5 album page, dated December 1, 1908. In fine condition, with a light shade of toning to page. RRAuction COA.
