An exceptional Matte Proof that exhibits a balanced blend of original mint red with a rich violet and brown patina, giving it both vibrancy and originality. The strike is razor-sharp, with bold definition in Lincoln’s portrait and the reverse wheat ears. Proof mintages were extremely limited in this era, with only 1,150 pieces struck in 1915, making survivors scarce and highly desirable. At PR66RB, this specimen ranks among the top of its class, with crisp eye appeal and surfaces that show virtually no distractions.